From d465042bef889fbf96f61b087f702e7dbef28ac6 Mon Sep 17 00:00:00 2001
From: Ian Campbell <ijc@docker.com>
Date: Tue, 24 Oct 2017 11:35:33 +0100
Subject: [PATCH] Updates for test/pkg/* which are rebuilt with new alpine

Signed-off-by: Ian Campbell <ijc@docker.com>
---
 test/cases/010_platforms/000_qemu/000_run_kernel/test.yml     | 2 +-
 test/cases/010_platforms/000_qemu/010_run_iso/test.yml        | 2 +-
 test/cases/010_platforms/000_qemu/020_run_efi/test.yml        | 2 +-
 test/cases/010_platforms/000_qemu/030_run_qcow/test.yml       | 2 +-
 test/cases/010_platforms/000_qemu/040_run_raw/test.yml        | 2 +-
 test/cases/010_platforms/000_qemu/100_container/test.yml      | 2 +-
 test/cases/010_platforms/010_hyperkit/000_run_kernel/test.yml | 2 +-
 test/cases/020_kernel/000_config_4.4.x/test.yml               | 4 ++--
 test/cases/020_kernel/001_config_4.9.x/test.yml               | 4 ++--
 test/cases/020_kernel/005_config_4.13.x/test.yml              | 4 ++--
 test/cases/020_kernel/010_kmod_4.9.x/test.yml                 | 2 +-
 .../010_echo-tcp-ipv4-short-1con-single-reverse/test.yml      | 4 ++--
 .../010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml     | 4 ++--
 .../011_echo-tcp-ipv4-short-10con-single-reverse/test.yml     | 4 ++--
 .../010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml    | 4 ++--
 .../012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml       | 4 ++--
 .../010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml      | 4 ++--
 .../015_echo-tcp-ipv4-long-1con-single-reverse/test.yml       | 4 ++--
 .../010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml      | 4 ++--
 .../016_echo-tcp-ipv4-long-10con-single-reverse/test.yml      | 4 ++--
 .../010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml     | 4 ++--
 .../017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml        | 4 ++--
 .../010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml       | 4 ++--
 .../020_echo-tcp-ipv6-short-1con-single-reverse/test.yml      | 4 ++--
 .../010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml     | 4 ++--
 .../021_echo-tcp-ipv6-short-10con-single-reverse/test.yml     | 4 ++--
 .../010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml    | 4 ++--
 .../022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml       | 4 ++--
 .../010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml      | 4 ++--
 .../025_echo-tcp-ipv6-long-1con-single-reverse/test.yml       | 4 ++--
 .../010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml      | 4 ++--
 .../026_echo-tcp-ipv6-long-10con-single-reverse/test.yml      | 4 ++--
 .../010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml     | 4 ++--
 .../027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml        | 4 ++--
 .../010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml       | 4 ++--
 .../030_echo-udp-ipv4-short-1con-single-reverse/test.yml      | 4 ++--
 .../010_veth/030_echo-udp-ipv4-short-1con-single/test.yml     | 4 ++--
 .../031_echo-udp-ipv4-short-10con-single-reverse/test.yml     | 4 ++--
 .../010_veth/031_echo-udp-ipv4-short-10con-single/test.yml    | 4 ++--
 .../032_echo-udp-ipv4-short-5con-multi-reverse/test.yml       | 4 ++--
 .../010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml      | 4 ++--
 .../035_echo-udp-ipv4-long-1con-single-reverse/test.yml       | 4 ++--
 .../010_veth/035_echo-udp-ipv4-long-1con-single/test.yml      | 4 ++--
 .../036_echo-udp-ipv4-long-10con-single-reverse/test.yml      | 4 ++--
 .../010_veth/036_echo-udp-ipv4-long-10con-single/test.yml     | 4 ++--
 .../037_echo-udp-ipv4-long-5con-multi-reverse/test.yml        | 4 ++--
 .../010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml       | 4 ++--
 .../040_echo-udp-ipv6-short-1con-single-reverse/test.yml      | 4 ++--
 .../010_veth/040_echo-udp-ipv6-short-1con-single/test.yml     | 4 ++--
 .../041_echo-udp-ipv6-short-10con-single-reverse/test.yml     | 4 ++--
 .../010_veth/041_echo-udp-ipv6-short-10con-single/test.yml    | 4 ++--
 .../042_echo-udp-ipv6-short-5con-multi-reverse/test.yml       | 4 ++--
 .../010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml      | 4 ++--
 .../045_echo-udp-ipv6-long-1con-single-reverse/test.yml       | 4 ++--
 .../010_veth/045_echo-udp-ipv6-long-1con-single/test.yml      | 4 ++--
 .../046_echo-udp-ipv6-long-10con-single-reverse/test.yml      | 4 ++--
 .../010_veth/046_echo-udp-ipv6-long-10con-single/test.yml     | 4 ++--
 .../047_echo-udp-ipv6-long-5con-multi-reverse/test.yml        | 4 ++--
 .../010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml       | 4 ++--
 .../010_echo-short-1con-single-reverse/test.yml               | 4 ++--
 .../050_unix-domain/010_echo-short-1con-single/test.yml       | 4 ++--
 .../011_echo-short-10con-single-reverse/test.yml              | 4 ++--
 .../050_unix-domain/011_echo-short-10con-single/test.yml      | 4 ++--
 .../012_echo-short-5con-multi-reverse/test.yml                | 4 ++--
 .../050_unix-domain/012_echo-short-5con-multi/test.yml        | 4 ++--
 .../015_echo-long-1con-single-reverse/test.yml                | 4 ++--
 .../050_unix-domain/015_echo-long-1con-single/test.yml        | 4 ++--
 .../016_echo-long-10con-single-reverse/test.yml               | 4 ++--
 .../050_unix-domain/016_echo-long-10con-single/test.yml       | 4 ++--
 .../050_unix-domain/017_echo-long-5con-multi-reverse/test.yml | 4 ++--
 .../050_unix-domain/017_echo-long-5con-multi/test.yml         | 4 ++--
 .../100_mix/010_veth-unix-domain-echo/test.yml                | 4 ++--
 .../100_mix/011_veth-unix-domain-echo-reverse/test.yml        | 4 ++--
 .../000_kernel-4.4.x/100_mix/012_veth-ipv4-echo/test.yml      | 4 ++--
 .../000_kernel-4.4.x/100_mix/013_veth-ipv6-echo/test.yml      | 4 ++--
 .../000_kernel-4.4.x/100_mix/014_veth-tcp-echo/test.yml       | 4 ++--
 .../000_kernel-4.4.x/100_mix/015_veth-udp-echo/test.yml       | 4 ++--
 .../000_kernel-4.4.x/100_mix/020_unix-domain-echo/test.yml    | 4 ++--
 .../010_echo-tcp-ipv4-short-1con-single-reverse/test.yml      | 4 ++--
 .../010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml     | 4 ++--
 .../011_echo-tcp-ipv4-short-10con-single-reverse/test.yml     | 4 ++--
 .../010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml    | 4 ++--
 .../012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml       | 4 ++--
 .../010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml      | 4 ++--
 .../015_echo-tcp-ipv4-long-1con-single-reverse/test.yml       | 4 ++--
 .../010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml      | 4 ++--
 .../016_echo-tcp-ipv4-long-10con-single-reverse/test.yml      | 4 ++--
 .../010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml     | 4 ++--
 .../017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml        | 4 ++--
 .../010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml       | 4 ++--
 .../020_echo-tcp-ipv6-short-1con-single-reverse/test.yml      | 4 ++--
 .../010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml     | 4 ++--
 .../021_echo-tcp-ipv6-short-10con-single-reverse/test.yml     | 4 ++--
 .../010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml    | 4 ++--
 .../022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml       | 4 ++--
 .../010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml      | 4 ++--
 .../025_echo-tcp-ipv6-long-1con-single-reverse/test.yml       | 4 ++--
 .../010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml      | 4 ++--
 .../026_echo-tcp-ipv6-long-10con-single-reverse/test.yml      | 4 ++--
 .../010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml     | 4 ++--
 .../027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml        | 4 ++--
 .../010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml       | 4 ++--
 .../030_echo-udp-ipv4-short-1con-single-reverse/test.yml      | 4 ++--
 .../010_veth/030_echo-udp-ipv4-short-1con-single/test.yml     | 4 ++--
 .../031_echo-udp-ipv4-short-10con-single-reverse/test.yml     | 4 ++--
 .../010_veth/031_echo-udp-ipv4-short-10con-single/test.yml    | 4 ++--
 .../032_echo-udp-ipv4-short-5con-multi-reverse/test.yml       | 4 ++--
 .../010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml      | 4 ++--
 .../035_echo-udp-ipv4-long-1con-single-reverse/test.yml       | 4 ++--
 .../010_veth/035_echo-udp-ipv4-long-1con-single/test.yml      | 4 ++--
 .../036_echo-udp-ipv4-long-10con-single-reverse/test.yml      | 4 ++--
 .../010_veth/036_echo-udp-ipv4-long-10con-single/test.yml     | 4 ++--
 .../037_echo-udp-ipv4-long-5con-multi-reverse/test.yml        | 4 ++--
 .../010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml       | 4 ++--
 .../040_echo-udp-ipv6-short-1con-single-reverse/test.yml      | 4 ++--
 .../010_veth/040_echo-udp-ipv6-short-1con-single/test.yml     | 4 ++--
 .../041_echo-udp-ipv6-short-10con-single-reverse/test.yml     | 4 ++--
 .../010_veth/041_echo-udp-ipv6-short-10con-single/test.yml    | 4 ++--
 .../042_echo-udp-ipv6-short-5con-multi-reverse/test.yml       | 4 ++--
 .../010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml      | 4 ++--
 .../045_echo-udp-ipv6-long-1con-single-reverse/test.yml       | 4 ++--
 .../010_veth/045_echo-udp-ipv6-long-1con-single/test.yml      | 4 ++--
 .../046_echo-udp-ipv6-long-10con-single-reverse/test.yml      | 4 ++--
 .../010_veth/046_echo-udp-ipv6-long-10con-single/test.yml     | 4 ++--
 .../047_echo-udp-ipv6-long-5con-multi-reverse/test.yml        | 4 ++--
 .../010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml       | 4 ++--
 .../010_echo-short-1con-single-reverse/test.yml               | 4 ++--
 .../050_unix-domain/010_echo-short-1con-single/test.yml       | 4 ++--
 .../011_echo-short-10con-single-reverse/test.yml              | 4 ++--
 .../050_unix-domain/011_echo-short-10con-single/test.yml      | 4 ++--
 .../012_echo-short-5con-multi-reverse/test.yml                | 4 ++--
 .../050_unix-domain/012_echo-short-5con-multi/test.yml        | 4 ++--
 .../015_echo-long-1con-single-reverse/test.yml                | 4 ++--
 .../050_unix-domain/015_echo-long-1con-single/test.yml        | 4 ++--
 .../016_echo-long-10con-single-reverse/test.yml               | 4 ++--
 .../050_unix-domain/016_echo-long-10con-single/test.yml       | 4 ++--
 .../050_unix-domain/017_echo-long-5con-multi-reverse/test.yml | 4 ++--
 .../050_unix-domain/017_echo-long-5con-multi/test.yml         | 4 ++--
 .../100_mix/010_veth-unix-domain-echo/test.yml                | 4 ++--
 .../100_mix/011_veth-unix-domain-echo-reverse/test.yml        | 4 ++--
 .../001_kernel-4.9.x/100_mix/012_veth-ipv4-echo/test.yml      | 4 ++--
 .../001_kernel-4.9.x/100_mix/013_veth-ipv6-echo/test.yml      | 4 ++--
 .../001_kernel-4.9.x/100_mix/014_veth-tcp-echo/test.yml       | 4 ++--
 .../001_kernel-4.9.x/100_mix/015_veth-udp-echo/test.yml       | 4 ++--
 .../001_kernel-4.9.x/100_mix/020_unix-domain-echo/test.yml    | 4 ++--
 .../010_echo-tcp-ipv4-short-1con-single-reverse/test.yml      | 4 ++--
 .../010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml     | 4 ++--
 .../011_echo-tcp-ipv4-short-10con-single-reverse/test.yml     | 4 ++--
 .../010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml    | 4 ++--
 .../012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml       | 4 ++--
 .../010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml      | 4 ++--
 .../015_echo-tcp-ipv4-long-1con-single-reverse/test.yml       | 4 ++--
 .../010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml      | 4 ++--
 .../016_echo-tcp-ipv4-long-10con-single-reverse/test.yml      | 4 ++--
 .../010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml     | 4 ++--
 .../017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml        | 4 ++--
 .../010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml       | 4 ++--
 .../020_echo-tcp-ipv6-short-1con-single-reverse/test.yml      | 4 ++--
 .../010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml     | 4 ++--
 .../021_echo-tcp-ipv6-short-10con-single-reverse/test.yml     | 4 ++--
 .../010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml    | 4 ++--
 .../022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml       | 4 ++--
 .../010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml      | 4 ++--
 .../025_echo-tcp-ipv6-long-1con-single-reverse/test.yml       | 4 ++--
 .../010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml      | 4 ++--
 .../026_echo-tcp-ipv6-long-10con-single-reverse/test.yml      | 4 ++--
 .../010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml     | 4 ++--
 .../027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml        | 4 ++--
 .../010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml       | 4 ++--
 .../030_echo-udp-ipv4-short-1con-single-reverse/test.yml      | 4 ++--
 .../010_veth/030_echo-udp-ipv4-short-1con-single/test.yml     | 4 ++--
 .../031_echo-udp-ipv4-short-10con-single-reverse/test.yml     | 4 ++--
 .../010_veth/031_echo-udp-ipv4-short-10con-single/test.yml    | 4 ++--
 .../032_echo-udp-ipv4-short-5con-multi-reverse/test.yml       | 4 ++--
 .../010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml      | 4 ++--
 .../035_echo-udp-ipv4-long-1con-single-reverse/test.yml       | 4 ++--
 .../010_veth/035_echo-udp-ipv4-long-1con-single/test.yml      | 4 ++--
 .../036_echo-udp-ipv4-long-10con-single-reverse/test.yml      | 4 ++--
 .../010_veth/036_echo-udp-ipv4-long-10con-single/test.yml     | 4 ++--
 .../037_echo-udp-ipv4-long-5con-multi-reverse/test.yml        | 4 ++--
 .../010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml       | 4 ++--
 .../040_echo-udp-ipv6-short-1con-single-reverse/test.yml      | 4 ++--
 .../010_veth/040_echo-udp-ipv6-short-1con-single/test.yml     | 4 ++--
 .../041_echo-udp-ipv6-short-10con-single-reverse/test.yml     | 4 ++--
 .../010_veth/041_echo-udp-ipv6-short-10con-single/test.yml    | 4 ++--
 .../042_echo-udp-ipv6-short-5con-multi-reverse/test.yml       | 4 ++--
 .../010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml      | 4 ++--
 .../045_echo-udp-ipv6-long-1con-single-reverse/test.yml       | 4 ++--
 .../010_veth/045_echo-udp-ipv6-long-1con-single/test.yml      | 4 ++--
 .../046_echo-udp-ipv6-long-10con-single-reverse/test.yml      | 4 ++--
 .../010_veth/046_echo-udp-ipv6-long-10con-single/test.yml     | 4 ++--
 .../047_echo-udp-ipv6-long-5con-multi-reverse/test.yml        | 4 ++--
 .../010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml       | 4 ++--
 .../010_echo-short-1con-single-reverse/test.yml               | 4 ++--
 .../050_unix-domain/010_echo-short-1con-single/test.yml       | 4 ++--
 .../011_echo-short-10con-single-reverse/test.yml              | 4 ++--
 .../050_unix-domain/011_echo-short-10con-single/test.yml      | 4 ++--
 .../012_echo-short-5con-multi-reverse/test.yml                | 4 ++--
 .../050_unix-domain/012_echo-short-5con-multi/test.yml        | 4 ++--
 .../015_echo-long-1con-single-reverse/test.yml                | 4 ++--
 .../050_unix-domain/015_echo-long-1con-single/test.yml        | 4 ++--
 .../016_echo-long-10con-single-reverse/test.yml               | 4 ++--
 .../050_unix-domain/016_echo-long-10con-single/test.yml       | 4 ++--
 .../050_unix-domain/017_echo-long-5con-multi-reverse/test.yml | 4 ++--
 .../050_unix-domain/017_echo-long-5con-multi/test.yml         | 4 ++--
 .../100_mix/010_veth-unix-domain-echo/test.yml                | 4 ++--
 .../100_mix/011_veth-unix-domain-echo-reverse/test.yml        | 4 ++--
 .../005_kernel-4.13.x/100_mix/012_veth-ipv4-echo/test.yml     | 4 ++--
 .../005_kernel-4.13.x/100_mix/013_veth-ipv6-echo/test.yml     | 4 ++--
 .../005_kernel-4.13.x/100_mix/014_veth-tcp-echo/test.yml      | 4 ++--
 .../005_kernel-4.13.x/100_mix/015_veth-udp-echo/test.yml      | 4 ++--
 .../005_kernel-4.13.x/100_mix/020_unix-domain-echo/test.yml   | 4 ++--
 test/cases/030_security/000_docker-bench/test.yml             | 2 +-
 test/cases/030_security/010_ports/test.yml                    | 2 +-
 test/cases/040_packages/002_binfmt/test.yml                   | 2 +-
 test/cases/040_packages/003_ca-certificates/test.yml          | 2 +-
 test/cases/040_packages/003_containerd/test.yml               | 4 ++--
 test/cases/040_packages/004_dhcpcd/test.yml                   | 2 +-
 test/cases/040_packages/005_extend/000_ext4/test-create.yml   | 2 +-
 test/cases/040_packages/005_extend/000_ext4/test.yml          | 2 +-
 test/cases/040_packages/005_extend/001_btrfs/test-create.yml  | 2 +-
 test/cases/040_packages/005_extend/001_btrfs/test.yml         | 2 +-
 test/cases/040_packages/005_extend/002_xfs/test-create.yml    | 2 +-
 test/cases/040_packages/005_extend/002_xfs/test.yml           | 2 +-
 test/cases/040_packages/006_format_mount/000_auto/test.yml    | 2 +-
 .../cases/040_packages/006_format_mount/001_by_label/test.yml | 2 +-
 .../040_packages/006_format_mount/002_by_name/test.yml.in     | 2 +-
 test/cases/040_packages/006_format_mount/003_btrfs/test.yml   | 2 +-
 test/cases/040_packages/006_format_mount/004_xfs/test.yml     | 2 +-
 .../006_format_mount/005_by_device_force/test.yml             | 2 +-
 .../cases/040_packages/006_format_mount/010_multiple/test.yml | 2 +-
 test/cases/040_packages/013_mkimage/mkimage.yml               | 2 +-
 test/cases/040_packages/013_mkimage/run.yml                   | 2 +-
 test/cases/040_packages/019_sysctl/test.yml                   | 2 +-
 test/hack/test-ltp.yml                                        | 2 +-
 test/hack/test.yml                                            | 4 ++--
 test/pkg/ns/template.yml                                      | 2 +-
 237 files changed, 443 insertions(+), 443 deletions(-)

diff --git a/test/cases/010_platforms/000_qemu/000_run_kernel/test.yml b/test/cases/010_platforms/000_qemu/000_run_kernel/test.yml
index 4d6f3174e..c4cbbbe61 100644
--- a/test/cases/010_platforms/000_qemu/000_run_kernel/test.yml
+++ b/test/cases/010_platforms/000_qemu/000_run_kernel/test.yml
@@ -6,7 +6,7 @@ init:
   - linuxkit/runc:817fdc592eac6cb7804fa1721a43a7f6e23fb50f
 onboot:
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 trust:
   org:
diff --git a/test/cases/010_platforms/000_qemu/010_run_iso/test.yml b/test/cases/010_platforms/000_qemu/010_run_iso/test.yml
index eb48194d1..ac8ebdc12 100644
--- a/test/cases/010_platforms/000_qemu/010_run_iso/test.yml
+++ b/test/cases/010_platforms/000_qemu/010_run_iso/test.yml
@@ -6,7 +6,7 @@ init:
   - linuxkit/runc:817fdc592eac6cb7804fa1721a43a7f6e23fb50f
 onboot:
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 trust:
   org:
diff --git a/test/cases/010_platforms/000_qemu/020_run_efi/test.yml b/test/cases/010_platforms/000_qemu/020_run_efi/test.yml
index 4d6f3174e..c4cbbbe61 100644
--- a/test/cases/010_platforms/000_qemu/020_run_efi/test.yml
+++ b/test/cases/010_platforms/000_qemu/020_run_efi/test.yml
@@ -6,7 +6,7 @@ init:
   - linuxkit/runc:817fdc592eac6cb7804fa1721a43a7f6e23fb50f
 onboot:
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 trust:
   org:
diff --git a/test/cases/010_platforms/000_qemu/030_run_qcow/test.yml b/test/cases/010_platforms/000_qemu/030_run_qcow/test.yml
index 4d6f3174e..c4cbbbe61 100644
--- a/test/cases/010_platforms/000_qemu/030_run_qcow/test.yml
+++ b/test/cases/010_platforms/000_qemu/030_run_qcow/test.yml
@@ -6,7 +6,7 @@ init:
   - linuxkit/runc:817fdc592eac6cb7804fa1721a43a7f6e23fb50f
 onboot:
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 trust:
   org:
diff --git a/test/cases/010_platforms/000_qemu/040_run_raw/test.yml b/test/cases/010_platforms/000_qemu/040_run_raw/test.yml
index 4d6f3174e..c4cbbbe61 100644
--- a/test/cases/010_platforms/000_qemu/040_run_raw/test.yml
+++ b/test/cases/010_platforms/000_qemu/040_run_raw/test.yml
@@ -6,7 +6,7 @@ init:
   - linuxkit/runc:817fdc592eac6cb7804fa1721a43a7f6e23fb50f
 onboot:
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 trust:
   org:
diff --git a/test/cases/010_platforms/000_qemu/100_container/test.yml b/test/cases/010_platforms/000_qemu/100_container/test.yml
index a5ccc1bb9..829461252 100644
--- a/test/cases/010_platforms/000_qemu/100_container/test.yml
+++ b/test/cases/010_platforms/000_qemu/100_container/test.yml
@@ -6,7 +6,7 @@ init:
   - linuxkit/runc:817fdc592eac6cb7804fa1721a43a7f6e23fb50f
 onboot:
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
 trust:
   org:
diff --git a/test/cases/010_platforms/010_hyperkit/000_run_kernel/test.yml b/test/cases/010_platforms/010_hyperkit/000_run_kernel/test.yml
index 4d6f3174e..c4cbbbe61 100644
--- a/test/cases/010_platforms/010_hyperkit/000_run_kernel/test.yml
+++ b/test/cases/010_platforms/010_hyperkit/000_run_kernel/test.yml
@@ -6,7 +6,7 @@ init:
   - linuxkit/runc:817fdc592eac6cb7804fa1721a43a7f6e23fb50f
 onboot:
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 trust:
   org:
diff --git a/test/cases/020_kernel/000_config_4.4.x/test.yml b/test/cases/020_kernel/000_config_4.4.x/test.yml
index 77f88dbe1..afa7e52dc 100644
--- a/test/cases/020_kernel/000_config_4.4.x/test.yml
+++ b/test/cases/020_kernel/000_config_4.4.x/test.yml
@@ -6,9 +6,9 @@ init:
   - linuxkit/runc:817fdc592eac6cb7804fa1721a43a7f6e23fb50f
 onboot:
   - name: check-kernel-config
-    image: linuxkit/test-kernel-config:8b09b3d6e69440582e590a8981585851e9206bdc
+    image: linuxkit/test-kernel-config:ff8fac1c318403aff3e2993dd9b130304e09f92e
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
 trust:
   org:
diff --git a/test/cases/020_kernel/001_config_4.9.x/test.yml b/test/cases/020_kernel/001_config_4.9.x/test.yml
index 5e0ff6506..ed3300e1f 100644
--- a/test/cases/020_kernel/001_config_4.9.x/test.yml
+++ b/test/cases/020_kernel/001_config_4.9.x/test.yml
@@ -6,9 +6,9 @@ init:
   - linuxkit/runc:817fdc592eac6cb7804fa1721a43a7f6e23fb50f
 onboot:
   - name: check-kernel-config
-    image: linuxkit/test-kernel-config:8b09b3d6e69440582e590a8981585851e9206bdc
+    image: linuxkit/test-kernel-config:ff8fac1c318403aff3e2993dd9b130304e09f92e
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
 trust:
   org:
diff --git a/test/cases/020_kernel/005_config_4.13.x/test.yml b/test/cases/020_kernel/005_config_4.13.x/test.yml
index b6b40646b..cb45fd3f0 100644
--- a/test/cases/020_kernel/005_config_4.13.x/test.yml
+++ b/test/cases/020_kernel/005_config_4.13.x/test.yml
@@ -6,9 +6,9 @@ init:
   - linuxkit/runc:817fdc592eac6cb7804fa1721a43a7f6e23fb50f
 onboot:
   - name: check-kernel-config
-    image: linuxkit/test-kernel-config:8b09b3d6e69440582e590a8981585851e9206bdc
+    image: linuxkit/test-kernel-config:ff8fac1c318403aff3e2993dd9b130304e09f92e
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
 trust:
   org:
diff --git a/test/cases/020_kernel/010_kmod_4.9.x/test.yml b/test/cases/020_kernel/010_kmod_4.9.x/test.yml
index f1bf8f0a8..5131e8b6c 100644
--- a/test/cases/020_kernel/010_kmod_4.9.x/test.yml
+++ b/test/cases/020_kernel/010_kmod_4.9.x/test.yml
@@ -13,7 +13,7 @@ onboot:
     capabilities:
      - all
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
 trust:
   org:
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/010_echo-tcp-ipv4-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/010_echo-tcp-ipv4-short-1con-single-reverse/test.yml
index 90282c7e6..a6380c187 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/010_echo-tcp-ipv4-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/010_echo-tcp-ipv4-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml
index 1efded9fb..3f2b9e3c8 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/011_echo-tcp-ipv4-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/011_echo-tcp-ipv4-short-10con-single-reverse/test.yml
index bc82680a0..7d50b87f7 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/011_echo-tcp-ipv4-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/011_echo-tcp-ipv4-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml
index bc82680a0..7d50b87f7 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml
index 5210780c7..32ecd22d6 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml
index 5210780c7..32ecd22d6 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/015_echo-tcp-ipv4-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/015_echo-tcp-ipv4-long-1con-single-reverse/test.yml
index bd77fe3ed..8d7fb82ff 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/015_echo-tcp-ipv4-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/015_echo-tcp-ipv4-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml
index 65b05ef78..fb3788e99 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/016_echo-tcp-ipv4-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/016_echo-tcp-ipv4-long-10con-single-reverse/test.yml
index 9398f8376..e5c477d40 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/016_echo-tcp-ipv4-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/016_echo-tcp-ipv4-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml
index 9398f8376..e5c477d40 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml
index f698c0165..ee955eefe 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml
index f698c0165..ee955eefe 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/020_echo-tcp-ipv6-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/020_echo-tcp-ipv6-short-1con-single-reverse/test.yml
index f91fdb989..304fef287 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/020_echo-tcp-ipv6-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/020_echo-tcp-ipv6-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml
index 020f5c33a..c0655a9a4 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/021_echo-tcp-ipv6-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/021_echo-tcp-ipv6-short-10con-single-reverse/test.yml
index 58f2689f8..57dd4859a 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/021_echo-tcp-ipv6-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/021_echo-tcp-ipv6-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml
index 58f2689f8..57dd4859a 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml
index a5f5d5684..5795f9d9c 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml
index a5f5d5684..5795f9d9c 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/025_echo-tcp-ipv6-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/025_echo-tcp-ipv6-long-1con-single-reverse/test.yml
index cb3539f53..c340baa24 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/025_echo-tcp-ipv6-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/025_echo-tcp-ipv6-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml
index 9c793464d..994254542 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/026_echo-tcp-ipv6-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/026_echo-tcp-ipv6-long-10con-single-reverse/test.yml
index bf21cc083..ae72e6201 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/026_echo-tcp-ipv6-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/026_echo-tcp-ipv6-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml
index bf21cc083..ae72e6201 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml
index 912a2d163..b9a54147f 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml
index 912a2d163..b9a54147f 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/030_echo-udp-ipv4-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/030_echo-udp-ipv4-short-1con-single-reverse/test.yml
index ade2a3bc7..2e77d6b11 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/030_echo-udp-ipv4-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/030_echo-udp-ipv4-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/030_echo-udp-ipv4-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/030_echo-udp-ipv4-short-1con-single/test.yml
index 55a31b613..3762d4fba 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/030_echo-udp-ipv4-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/030_echo-udp-ipv4-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/031_echo-udp-ipv4-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/031_echo-udp-ipv4-short-10con-single-reverse/test.yml
index 0d8f7a5a5..944147953 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/031_echo-udp-ipv4-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/031_echo-udp-ipv4-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/031_echo-udp-ipv4-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/031_echo-udp-ipv4-short-10con-single/test.yml
index 0d8f7a5a5..944147953 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/031_echo-udp-ipv4-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/031_echo-udp-ipv4-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/032_echo-udp-ipv4-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/032_echo-udp-ipv4-short-5con-multi-reverse/test.yml
index cbdd93b8a..c77c4e382 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/032_echo-udp-ipv4-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/032_echo-udp-ipv4-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml
index cbdd93b8a..c77c4e382 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/035_echo-udp-ipv4-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/035_echo-udp-ipv4-long-1con-single-reverse/test.yml
index 78f2573e6..ae11e0f19 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/035_echo-udp-ipv4-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/035_echo-udp-ipv4-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/035_echo-udp-ipv4-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/035_echo-udp-ipv4-long-1con-single/test.yml
index ed83571f4..87b7db37a 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/035_echo-udp-ipv4-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/035_echo-udp-ipv4-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/036_echo-udp-ipv4-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/036_echo-udp-ipv4-long-10con-single-reverse/test.yml
index 33b243210..71bbe7945 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/036_echo-udp-ipv4-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/036_echo-udp-ipv4-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/036_echo-udp-ipv4-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/036_echo-udp-ipv4-long-10con-single/test.yml
index 33b243210..71bbe7945 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/036_echo-udp-ipv4-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/036_echo-udp-ipv4-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/037_echo-udp-ipv4-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/037_echo-udp-ipv4-long-5con-multi-reverse/test.yml
index 6a212b2c6..30da30aa7 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/037_echo-udp-ipv4-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/037_echo-udp-ipv4-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml
index 6a212b2c6..30da30aa7 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/040_echo-udp-ipv6-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/040_echo-udp-ipv6-short-1con-single-reverse/test.yml
index 88eab5821..c1b3090c6 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/040_echo-udp-ipv6-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/040_echo-udp-ipv6-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/040_echo-udp-ipv6-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/040_echo-udp-ipv6-short-1con-single/test.yml
index a10efac92..4fe55fa67 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/040_echo-udp-ipv6-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/040_echo-udp-ipv6-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/041_echo-udp-ipv6-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/041_echo-udp-ipv6-short-10con-single-reverse/test.yml
index a7f0688b8..6240ffa3f 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/041_echo-udp-ipv6-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/041_echo-udp-ipv6-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/041_echo-udp-ipv6-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/041_echo-udp-ipv6-short-10con-single/test.yml
index a7f0688b8..6240ffa3f 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/041_echo-udp-ipv6-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/041_echo-udp-ipv6-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/042_echo-udp-ipv6-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/042_echo-udp-ipv6-short-5con-multi-reverse/test.yml
index f70283c1a..ef9cf50fc 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/042_echo-udp-ipv6-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/042_echo-udp-ipv6-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml
index f70283c1a..ef9cf50fc 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/045_echo-udp-ipv6-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/045_echo-udp-ipv6-long-1con-single-reverse/test.yml
index 28b21bd51..9002496da 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/045_echo-udp-ipv6-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/045_echo-udp-ipv6-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/045_echo-udp-ipv6-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/045_echo-udp-ipv6-long-1con-single/test.yml
index 0272a7a39..bd11b77c2 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/045_echo-udp-ipv6-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/045_echo-udp-ipv6-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/046_echo-udp-ipv6-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/046_echo-udp-ipv6-long-10con-single-reverse/test.yml
index 492b41c26..c3d0d88d4 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/046_echo-udp-ipv6-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/046_echo-udp-ipv6-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/046_echo-udp-ipv6-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/046_echo-udp-ipv6-long-10con-single/test.yml
index 492b41c26..c3d0d88d4 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/046_echo-udp-ipv6-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/046_echo-udp-ipv6-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/047_echo-udp-ipv6-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/047_echo-udp-ipv6-long-5con-multi-reverse/test.yml
index 93184ba55..bfc0126f2 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/047_echo-udp-ipv6-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/047_echo-udp-ipv6-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml
index 93184ba55..bfc0126f2 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/010_echo-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/010_echo-short-1con-single-reverse/test.yml
index d8c664324..be8d68009 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/010_echo-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/010_echo-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/010_echo-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/010_echo-short-1con-single/test.yml
index bdc4a704a..e429ce9a9 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/010_echo-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/010_echo-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/011_echo-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/011_echo-short-10con-single-reverse/test.yml
index 55f85be0f..3c88eaed3 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/011_echo-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/011_echo-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/011_echo-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/011_echo-short-10con-single/test.yml
index 55f85be0f..3c88eaed3 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/011_echo-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/011_echo-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/012_echo-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/012_echo-short-5con-multi-reverse/test.yml
index 4ec2e6c39..7abfaf1c6 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/012_echo-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/012_echo-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/012_echo-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/012_echo-short-5con-multi/test.yml
index 4ec2e6c39..7abfaf1c6 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/012_echo-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/012_echo-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/015_echo-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/015_echo-long-1con-single-reverse/test.yml
index 35a22a43e..288e5f563 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/015_echo-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/015_echo-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/015_echo-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/015_echo-long-1con-single/test.yml
index 54d6c2164..d539db0e6 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/015_echo-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/015_echo-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/016_echo-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/016_echo-long-10con-single-reverse/test.yml
index a748f0583..67ce08a6c 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/016_echo-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/016_echo-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/016_echo-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/016_echo-long-10con-single/test.yml
index a748f0583..67ce08a6c 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/016_echo-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/016_echo-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/017_echo-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/017_echo-long-5con-multi-reverse/test.yml
index 7c6c918d6..44d386b28 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/017_echo-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/017_echo-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-p", "unix", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/017_echo-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/017_echo-long-5con-multi/test.yml
index 7c6c918d6..44d386b28 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/017_echo-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/050_unix-domain/017_echo-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-p", "unix", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/010_veth-unix-domain-echo/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/010_veth-unix-domain-echo/test.yml
index f2a8575bc..783101f62 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/010_veth-unix-domain-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/010_veth-unix-domain-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/011_veth-unix-domain-echo-reverse/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/011_veth-unix-domain-echo-reverse/test.yml
index 491e0fd74..19ed90677 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/011_veth-unix-domain-echo-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/011_veth-unix-domain-echo-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-reverse"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/012_veth-ipv4-echo/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/012_veth-ipv4-echo/test.yml
index ec6a42a13..688f24589 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/012_veth-ipv4-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/012_veth-ipv4-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-ipv4"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/013_veth-ipv6-echo/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/013_veth-ipv6-echo/test.yml
index c4f9529c3..fbaa3327b 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/013_veth-ipv6-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/013_veth-ipv6-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-ipv6"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/014_veth-tcp-echo/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/014_veth-tcp-echo/test.yml
index 9e6c3cfd8..46e46515e 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/014_veth-tcp-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/014_veth-tcp-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-tcp"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/015_veth-udp-echo/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/015_veth-udp-echo/test.yml
index 768349138..fbbfdba05 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/015_veth-udp-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/015_veth-udp-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-udp"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/020_unix-domain-echo/test.yml b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/020_unix-domain-echo/test.yml
index 680ca431e..eec29265e 100644
--- a/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/020_unix-domain-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/000_kernel-4.4.x/100_mix/020_unix-domain-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-unix"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/010_echo-tcp-ipv4-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/010_echo-tcp-ipv4-short-1con-single-reverse/test.yml
index 90282c7e6..a6380c187 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/010_echo-tcp-ipv4-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/010_echo-tcp-ipv4-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml
index 1efded9fb..3f2b9e3c8 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/011_echo-tcp-ipv4-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/011_echo-tcp-ipv4-short-10con-single-reverse/test.yml
index bc82680a0..7d50b87f7 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/011_echo-tcp-ipv4-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/011_echo-tcp-ipv4-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml
index bc82680a0..7d50b87f7 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml
index 5210780c7..32ecd22d6 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml
index 5210780c7..32ecd22d6 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/015_echo-tcp-ipv4-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/015_echo-tcp-ipv4-long-1con-single-reverse/test.yml
index bd77fe3ed..8d7fb82ff 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/015_echo-tcp-ipv4-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/015_echo-tcp-ipv4-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml
index 65b05ef78..fb3788e99 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/016_echo-tcp-ipv4-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/016_echo-tcp-ipv4-long-10con-single-reverse/test.yml
index 9398f8376..e5c477d40 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/016_echo-tcp-ipv4-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/016_echo-tcp-ipv4-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml
index 9398f8376..e5c477d40 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml
index f698c0165..ee955eefe 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml
index f698c0165..ee955eefe 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/020_echo-tcp-ipv6-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/020_echo-tcp-ipv6-short-1con-single-reverse/test.yml
index f91fdb989..304fef287 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/020_echo-tcp-ipv6-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/020_echo-tcp-ipv6-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml
index 020f5c33a..c0655a9a4 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/021_echo-tcp-ipv6-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/021_echo-tcp-ipv6-short-10con-single-reverse/test.yml
index 58f2689f8..57dd4859a 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/021_echo-tcp-ipv6-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/021_echo-tcp-ipv6-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml
index 58f2689f8..57dd4859a 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml
index a5f5d5684..5795f9d9c 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml
index a5f5d5684..5795f9d9c 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/025_echo-tcp-ipv6-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/025_echo-tcp-ipv6-long-1con-single-reverse/test.yml
index cb3539f53..c340baa24 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/025_echo-tcp-ipv6-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/025_echo-tcp-ipv6-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml
index 9c793464d..994254542 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/026_echo-tcp-ipv6-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/026_echo-tcp-ipv6-long-10con-single-reverse/test.yml
index bf21cc083..ae72e6201 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/026_echo-tcp-ipv6-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/026_echo-tcp-ipv6-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml
index bf21cc083..ae72e6201 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml
index 912a2d163..b9a54147f 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml
index 912a2d163..b9a54147f 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/030_echo-udp-ipv4-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/030_echo-udp-ipv4-short-1con-single-reverse/test.yml
index ade2a3bc7..2e77d6b11 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/030_echo-udp-ipv4-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/030_echo-udp-ipv4-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/030_echo-udp-ipv4-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/030_echo-udp-ipv4-short-1con-single/test.yml
index 55a31b613..3762d4fba 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/030_echo-udp-ipv4-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/030_echo-udp-ipv4-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/031_echo-udp-ipv4-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/031_echo-udp-ipv4-short-10con-single-reverse/test.yml
index 0d8f7a5a5..944147953 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/031_echo-udp-ipv4-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/031_echo-udp-ipv4-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/031_echo-udp-ipv4-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/031_echo-udp-ipv4-short-10con-single/test.yml
index 0d8f7a5a5..944147953 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/031_echo-udp-ipv4-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/031_echo-udp-ipv4-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/032_echo-udp-ipv4-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/032_echo-udp-ipv4-short-5con-multi-reverse/test.yml
index cbdd93b8a..c77c4e382 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/032_echo-udp-ipv4-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/032_echo-udp-ipv4-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml
index cbdd93b8a..c77c4e382 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/035_echo-udp-ipv4-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/035_echo-udp-ipv4-long-1con-single-reverse/test.yml
index 78f2573e6..ae11e0f19 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/035_echo-udp-ipv4-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/035_echo-udp-ipv4-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/035_echo-udp-ipv4-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/035_echo-udp-ipv4-long-1con-single/test.yml
index ed83571f4..87b7db37a 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/035_echo-udp-ipv4-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/035_echo-udp-ipv4-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/036_echo-udp-ipv4-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/036_echo-udp-ipv4-long-10con-single-reverse/test.yml
index 33b243210..71bbe7945 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/036_echo-udp-ipv4-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/036_echo-udp-ipv4-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/036_echo-udp-ipv4-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/036_echo-udp-ipv4-long-10con-single/test.yml
index 33b243210..71bbe7945 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/036_echo-udp-ipv4-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/036_echo-udp-ipv4-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/037_echo-udp-ipv4-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/037_echo-udp-ipv4-long-5con-multi-reverse/test.yml
index 6a212b2c6..30da30aa7 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/037_echo-udp-ipv4-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/037_echo-udp-ipv4-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml
index 6a212b2c6..30da30aa7 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/040_echo-udp-ipv6-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/040_echo-udp-ipv6-short-1con-single-reverse/test.yml
index 88eab5821..c1b3090c6 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/040_echo-udp-ipv6-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/040_echo-udp-ipv6-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/040_echo-udp-ipv6-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/040_echo-udp-ipv6-short-1con-single/test.yml
index a10efac92..4fe55fa67 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/040_echo-udp-ipv6-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/040_echo-udp-ipv6-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/041_echo-udp-ipv6-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/041_echo-udp-ipv6-short-10con-single-reverse/test.yml
index a7f0688b8..6240ffa3f 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/041_echo-udp-ipv6-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/041_echo-udp-ipv6-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/041_echo-udp-ipv6-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/041_echo-udp-ipv6-short-10con-single/test.yml
index a7f0688b8..6240ffa3f 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/041_echo-udp-ipv6-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/041_echo-udp-ipv6-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/042_echo-udp-ipv6-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/042_echo-udp-ipv6-short-5con-multi-reverse/test.yml
index f70283c1a..ef9cf50fc 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/042_echo-udp-ipv6-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/042_echo-udp-ipv6-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml
index f70283c1a..ef9cf50fc 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/045_echo-udp-ipv6-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/045_echo-udp-ipv6-long-1con-single-reverse/test.yml
index 28b21bd51..9002496da 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/045_echo-udp-ipv6-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/045_echo-udp-ipv6-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/045_echo-udp-ipv6-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/045_echo-udp-ipv6-long-1con-single/test.yml
index 0272a7a39..bd11b77c2 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/045_echo-udp-ipv6-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/045_echo-udp-ipv6-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/046_echo-udp-ipv6-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/046_echo-udp-ipv6-long-10con-single-reverse/test.yml
index 492b41c26..c3d0d88d4 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/046_echo-udp-ipv6-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/046_echo-udp-ipv6-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/046_echo-udp-ipv6-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/046_echo-udp-ipv6-long-10con-single/test.yml
index 492b41c26..c3d0d88d4 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/046_echo-udp-ipv6-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/046_echo-udp-ipv6-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/047_echo-udp-ipv6-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/047_echo-udp-ipv6-long-5con-multi-reverse/test.yml
index 93184ba55..bfc0126f2 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/047_echo-udp-ipv6-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/047_echo-udp-ipv6-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml
index 93184ba55..bfc0126f2 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/010_echo-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/010_echo-short-1con-single-reverse/test.yml
index d8c664324..be8d68009 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/010_echo-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/010_echo-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/010_echo-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/010_echo-short-1con-single/test.yml
index bdc4a704a..e429ce9a9 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/010_echo-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/010_echo-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/011_echo-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/011_echo-short-10con-single-reverse/test.yml
index 55f85be0f..3c88eaed3 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/011_echo-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/011_echo-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/011_echo-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/011_echo-short-10con-single/test.yml
index 55f85be0f..3c88eaed3 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/011_echo-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/011_echo-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/012_echo-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/012_echo-short-5con-multi-reverse/test.yml
index 4ec2e6c39..7abfaf1c6 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/012_echo-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/012_echo-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/012_echo-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/012_echo-short-5con-multi/test.yml
index 4ec2e6c39..7abfaf1c6 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/012_echo-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/012_echo-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/015_echo-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/015_echo-long-1con-single-reverse/test.yml
index 35a22a43e..288e5f563 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/015_echo-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/015_echo-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/015_echo-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/015_echo-long-1con-single/test.yml
index 54d6c2164..d539db0e6 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/015_echo-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/015_echo-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/016_echo-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/016_echo-long-10con-single-reverse/test.yml
index a748f0583..67ce08a6c 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/016_echo-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/016_echo-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/016_echo-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/016_echo-long-10con-single/test.yml
index a748f0583..67ce08a6c 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/016_echo-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/016_echo-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/017_echo-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/017_echo-long-5con-multi-reverse/test.yml
index 7c6c918d6..44d386b28 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/017_echo-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/017_echo-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-p", "unix", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/017_echo-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/017_echo-long-5con-multi/test.yml
index 7c6c918d6..44d386b28 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/017_echo-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/050_unix-domain/017_echo-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-p", "unix", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/010_veth-unix-domain-echo/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/010_veth-unix-domain-echo/test.yml
index f2a8575bc..783101f62 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/010_veth-unix-domain-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/010_veth-unix-domain-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/011_veth-unix-domain-echo-reverse/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/011_veth-unix-domain-echo-reverse/test.yml
index 491e0fd74..19ed90677 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/011_veth-unix-domain-echo-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/011_veth-unix-domain-echo-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-reverse"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/012_veth-ipv4-echo/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/012_veth-ipv4-echo/test.yml
index ec6a42a13..688f24589 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/012_veth-ipv4-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/012_veth-ipv4-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-ipv4"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/013_veth-ipv6-echo/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/013_veth-ipv6-echo/test.yml
index c4f9529c3..fbaa3327b 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/013_veth-ipv6-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/013_veth-ipv6-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-ipv6"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/014_veth-tcp-echo/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/014_veth-tcp-echo/test.yml
index 9e6c3cfd8..46e46515e 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/014_veth-tcp-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/014_veth-tcp-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-tcp"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/015_veth-udp-echo/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/015_veth-udp-echo/test.yml
index 768349138..fbbfdba05 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/015_veth-udp-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/015_veth-udp-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-udp"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/020_unix-domain-echo/test.yml b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/020_unix-domain-echo/test.yml
index 680ca431e..eec29265e 100644
--- a/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/020_unix-domain-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/001_kernel-4.9.x/100_mix/020_unix-domain-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-unix"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/010_echo-tcp-ipv4-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/010_echo-tcp-ipv4-short-1con-single-reverse/test.yml
index 90282c7e6..a6380c187 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/010_echo-tcp-ipv4-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/010_echo-tcp-ipv4-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml
index 1efded9fb..3f2b9e3c8 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/010_echo-tcp-ipv4-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/011_echo-tcp-ipv4-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/011_echo-tcp-ipv4-short-10con-single-reverse/test.yml
index bc82680a0..7d50b87f7 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/011_echo-tcp-ipv4-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/011_echo-tcp-ipv4-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml
index bc82680a0..7d50b87f7 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/011_echo-tcp-ipv4-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml
index 5210780c7..32ecd22d6 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/012_echo-tcp-ipv4-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml
index 5210780c7..32ecd22d6 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/012_echo-tcp-ipv4-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/015_echo-tcp-ipv4-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/015_echo-tcp-ipv4-long-1con-single-reverse/test.yml
index bd77fe3ed..8d7fb82ff 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/015_echo-tcp-ipv4-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/015_echo-tcp-ipv4-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml
index 65b05ef78..fb3788e99 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/015_echo-tcp-ipv4-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/016_echo-tcp-ipv4-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/016_echo-tcp-ipv4-long-10con-single-reverse/test.yml
index 9398f8376..e5c477d40 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/016_echo-tcp-ipv4-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/016_echo-tcp-ipv4-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml
index 9398f8376..e5c477d40 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/016_echo-tcp-ipv4-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml
index f698c0165..ee955eefe 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/017_echo-tcp-ipv4-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml
index f698c0165..ee955eefe 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/017_echo-tcp-ipv4-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "tcp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/020_echo-tcp-ipv6-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/020_echo-tcp-ipv6-short-1con-single-reverse/test.yml
index f91fdb989..304fef287 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/020_echo-tcp-ipv6-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/020_echo-tcp-ipv6-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml
index 020f5c33a..c0655a9a4 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/020_echo-tcp-ipv6-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/021_echo-tcp-ipv6-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/021_echo-tcp-ipv6-short-10con-single-reverse/test.yml
index 58f2689f8..57dd4859a 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/021_echo-tcp-ipv6-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/021_echo-tcp-ipv6-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml
index 58f2689f8..57dd4859a 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/021_echo-tcp-ipv6-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml
index a5f5d5684..5795f9d9c 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/022_echo-tcp-ipv6-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml
index a5f5d5684..5795f9d9c 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/022_echo-tcp-ipv6-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/025_echo-tcp-ipv6-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/025_echo-tcp-ipv6-long-1con-single-reverse/test.yml
index cb3539f53..c340baa24 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/025_echo-tcp-ipv6-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/025_echo-tcp-ipv6-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml
index 9c793464d..994254542 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/025_echo-tcp-ipv6-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/026_echo-tcp-ipv6-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/026_echo-tcp-ipv6-long-10con-single-reverse/test.yml
index bf21cc083..ae72e6201 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/026_echo-tcp-ipv6-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/026_echo-tcp-ipv6-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml
index bf21cc083..ae72e6201 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/026_echo-tcp-ipv6-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml
index 912a2d163..b9a54147f 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/027_echo-tcp-ipv6-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml
index 912a2d163..b9a54147f 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/027_echo-tcp-ipv6-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "tcp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/030_echo-udp-ipv4-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/030_echo-udp-ipv4-short-1con-single-reverse/test.yml
index ade2a3bc7..2e77d6b11 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/030_echo-udp-ipv4-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/030_echo-udp-ipv4-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/030_echo-udp-ipv4-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/030_echo-udp-ipv4-short-1con-single/test.yml
index 55a31b613..3762d4fba 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/030_echo-udp-ipv4-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/030_echo-udp-ipv4-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/031_echo-udp-ipv4-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/031_echo-udp-ipv4-short-10con-single-reverse/test.yml
index 0d8f7a5a5..944147953 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/031_echo-udp-ipv4-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/031_echo-udp-ipv4-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/031_echo-udp-ipv4-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/031_echo-udp-ipv4-short-10con-single/test.yml
index 0d8f7a5a5..944147953 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/031_echo-udp-ipv4-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/031_echo-udp-ipv4-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/032_echo-udp-ipv4-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/032_echo-udp-ipv4-short-5con-multi-reverse/test.yml
index cbdd93b8a..c77c4e382 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/032_echo-udp-ipv4-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/032_echo-udp-ipv4-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml
index cbdd93b8a..c77c4e382 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/032_echo-udp-ipv4-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/035_echo-udp-ipv4-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/035_echo-udp-ipv4-long-1con-single-reverse/test.yml
index 78f2573e6..ae11e0f19 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/035_echo-udp-ipv4-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/035_echo-udp-ipv4-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/035_echo-udp-ipv4-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/035_echo-udp-ipv4-long-1con-single/test.yml
index ed83571f4..87b7db37a 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/035_echo-udp-ipv4-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/035_echo-udp-ipv4-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/036_echo-udp-ipv4-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/036_echo-udp-ipv4-long-10con-single-reverse/test.yml
index 33b243210..71bbe7945 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/036_echo-udp-ipv4-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/036_echo-udp-ipv4-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/036_echo-udp-ipv4-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/036_echo-udp-ipv4-long-10con-single/test.yml
index 33b243210..71bbe7945 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/036_echo-udp-ipv4-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/036_echo-udp-ipv4-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/037_echo-udp-ipv4-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/037_echo-udp-ipv4-long-5con-multi-reverse/test.yml
index 6a212b2c6..30da30aa7 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/037_echo-udp-ipv4-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/037_echo-udp-ipv4-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml
index 6a212b2c6..30da30aa7 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/037_echo-udp-ipv4-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "4", "-p", "udp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/040_echo-udp-ipv6-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/040_echo-udp-ipv6-short-1con-single-reverse/test.yml
index 88eab5821..c1b3090c6 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/040_echo-udp-ipv6-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/040_echo-udp-ipv6-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/040_echo-udp-ipv6-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/040_echo-udp-ipv6-short-1con-single/test.yml
index a10efac92..4fe55fa67 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/040_echo-udp-ipv6-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/040_echo-udp-ipv6-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/041_echo-udp-ipv6-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/041_echo-udp-ipv6-short-10con-single-reverse/test.yml
index a7f0688b8..6240ffa3f 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/041_echo-udp-ipv6-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/041_echo-udp-ipv6-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/041_echo-udp-ipv6-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/041_echo-udp-ipv6-short-10con-single/test.yml
index a7f0688b8..6240ffa3f 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/041_echo-udp-ipv6-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/041_echo-udp-ipv6-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/042_echo-udp-ipv6-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/042_echo-udp-ipv6-short-5con-multi-reverse/test.yml
index f70283c1a..ef9cf50fc 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/042_echo-udp-ipv6-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/042_echo-udp-ipv6-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml
index f70283c1a..ef9cf50fc 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/042_echo-udp-ipv6-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/045_echo-udp-ipv6-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/045_echo-udp-ipv6-long-1con-single-reverse/test.yml
index 28b21bd51..9002496da 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/045_echo-udp-ipv6-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/045_echo-udp-ipv6-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/045_echo-udp-ipv6-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/045_echo-udp-ipv6-long-1con-single/test.yml
index 0272a7a39..bd11b77c2 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/045_echo-udp-ipv6-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/045_echo-udp-ipv6-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/046_echo-udp-ipv6-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/046_echo-udp-ipv6-long-10con-single-reverse/test.yml
index 492b41c26..c3d0d88d4 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/046_echo-udp-ipv6-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/046_echo-udp-ipv6-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/046_echo-udp-ipv6-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/046_echo-udp-ipv6-long-10con-single/test.yml
index 492b41c26..c3d0d88d4 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/046_echo-udp-ipv6-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/046_echo-udp-ipv6-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/047_echo-udp-ipv6-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/047_echo-udp-ipv6-long-5con-multi-reverse/test.yml
index 93184ba55..bfc0126f2 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/047_echo-udp-ipv6-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/047_echo-udp-ipv6-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml
index 93184ba55..bfc0126f2 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/010_veth/047_echo-udp-ipv6-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-ip", "6", "-p", "udp", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/010_echo-short-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/010_echo-short-1con-single-reverse/test.yml
index d8c664324..be8d68009 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/010_echo-short-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/010_echo-short-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/010_echo-short-1con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/010_echo-short-1con-single/test.yml
index bdc4a704a..e429ce9a9 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/010_echo-short-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/010_echo-short-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/011_echo-short-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/011_echo-short-10con-single-reverse/test.yml
index 55f85be0f..3c88eaed3 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/011_echo-short-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/011_echo-short-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/011_echo-short-10con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/011_echo-short-10con-single/test.yml
index 55f85be0f..3c88eaed3 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/011_echo-short-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/011_echo-short-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/012_echo-short-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/012_echo-short-5con-multi-reverse/test.yml
index 4ec2e6c39..7abfaf1c6 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/012_echo-short-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/012_echo-short-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/012_echo-short-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/012_echo-short-5con-multi/test.yml
index 4ec2e6c39..7abfaf1c6 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/012_echo-short-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/012_echo-short-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-p", "unix", "-s", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/015_echo-long-1con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/015_echo-long-1con-single-reverse/test.yml
index 35a22a43e..288e5f563 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/015_echo-long-1con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/015_echo-long-1con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-c", "1", "-r"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/015_echo-long-1con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/015_echo-long-1con-single/test.yml
index 54d6c2164..d539db0e6 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/015_echo-long-1con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/015_echo-long-1con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-c", "1"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/016_echo-long-10con-single-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/016_echo-long-10con-single-reverse/test.yml
index a748f0583..67ce08a6c 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/016_echo-long-10con-single-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/016_echo-long-10con-single-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/016_echo-long-10con-single/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/016_echo-long-10con-single/test.yml
index a748f0583..67ce08a6c 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/016_echo-long-10con-single/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/016_echo-long-10con-single/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "1", "-l", "5", "-i", "15", "-p", "unix", "-c", "10"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/017_echo-long-5con-multi-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/017_echo-long-5con-multi-reverse/test.yml
index 7c6c918d6..44d386b28 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/017_echo-long-5con-multi-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/017_echo-long-5con-multi-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-p", "unix", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/017_echo-long-5con-multi/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/017_echo-long-5con-multi/test.yml
index 7c6c918d6..44d386b28 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/017_echo-long-5con-multi/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/050_unix-domain/017_echo-long-5con-multi/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "5", "-l", "5", "-i", "15", "-p", "unix", "-c", "5"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/010_veth-unix-domain-echo/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/010_veth-unix-domain-echo/test.yml
index f2a8575bc..783101f62 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/010_veth-unix-domain-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/010_veth-unix-domain-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/011_veth-unix-domain-echo-reverse/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/011_veth-unix-domain-echo-reverse/test.yml
index 491e0fd74..19ed90677 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/011_veth-unix-domain-echo-reverse/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/011_veth-unix-domain-echo-reverse/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-reverse"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/012_veth-ipv4-echo/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/012_veth-ipv4-echo/test.yml
index ec6a42a13..688f24589 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/012_veth-ipv4-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/012_veth-ipv4-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-ipv4"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/013_veth-ipv6-echo/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/013_veth-ipv6-echo/test.yml
index c4f9529c3..fbaa3327b 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/013_veth-ipv6-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/013_veth-ipv6-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-ipv6"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/014_veth-tcp-echo/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/014_veth-tcp-echo/test.yml
index 9e6c3cfd8..46e46515e 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/014_veth-tcp-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/014_veth-tcp-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-tcp"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/015_veth-udp-echo/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/015_veth-udp-echo/test.yml
index 768349138..fbbfdba05 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/015_veth-udp-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/015_veth-udp-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-udp"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/020_unix-domain-echo/test.yml b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/020_unix-domain-echo/test.yml
index 680ca431e..eec29265e 100644
--- a/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/020_unix-domain-echo/test.yml
+++ b/test/cases/020_kernel/110_namespace/005_kernel-4.13.x/100_mix/020_unix-domain-echo/test.yml
@@ -1,10 +1,10 @@
 onboot:
   - name: test-ns
-    image: linuxkit/test-ns:89b4d611eb4c3a3e4f894d5996711ec177a20c4b
+    image: linuxkit/test-ns:1fca30ea85c94571200d00c7b282c537b537de48
     command: ["/bin/sh", "/runp-runc-net.sh", "mix-unix"]
     mounts: # for runc
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
diff --git a/test/cases/030_security/000_docker-bench/test.yml b/test/cases/030_security/000_docker-bench/test.yml
index a4de5fcc7..d633e43cb 100644
--- a/test/cases/030_security/000_docker-bench/test.yml
+++ b/test/cases/030_security/000_docker-bench/test.yml
@@ -34,7 +34,7 @@ services:
      - /run:/var/run
     command: ["/usr/local/bin/docker-init", "/usr/local/bin/dockerd"]
   - name: test-docker-bench
-    image: linuxkit/test-docker-bench:759499d829289f0b4a33ae2d6892dd5e2c1eb901
+    image: linuxkit/test-docker-bench:972d07b4b8e084188365643334919cfe5d4016f2
     ipc: host
     pid: host
     net: host
diff --git a/test/cases/030_security/010_ports/test.yml b/test/cases/030_security/010_ports/test.yml
index 52046f136..f4cb37b30 100644
--- a/test/cases/030_security/010_ports/test.yml
+++ b/test/cases/030_security/010_ports/test.yml
@@ -12,7 +12,7 @@ onboot:
       - /check.sh:/check.sh
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/002_binfmt/test.yml b/test/cases/040_packages/002_binfmt/test.yml
index 768bccc81..f6cdc68a0 100644
--- a/test/cases/040_packages/002_binfmt/test.yml
+++ b/test/cases/040_packages/002_binfmt/test.yml
@@ -14,7 +14,7 @@ onboot:
       - /proc/sys/fs/binfmt_misc:/binfmt_misc
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/003_ca-certificates/test.yml b/test/cases/040_packages/003_ca-certificates/test.yml
index 2c698eef9..639944fb4 100644
--- a/test/cases/040_packages/003_ca-certificates/test.yml
+++ b/test/cases/040_packages/003_ca-certificates/test.yml
@@ -13,7 +13,7 @@ onboot:
       - /etc:/host-etc
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/003_containerd/test.yml b/test/cases/040_packages/003_containerd/test.yml
index 6418e2469..23935dae2 100644
--- a/test/cases/040_packages/003_containerd/test.yml
+++ b/test/cases/040_packages/003_containerd/test.yml
@@ -18,9 +18,9 @@ onboot:
     image: linuxkit/mount:41685ecc8039643948e5dff46e17584753469a7a
     command: ["/usr/bin/mountie", "/var/lib"]
   - name: test
-    image: linuxkit/test-containerd:a74697f70cdc5f19cfc4d0d7828621f3cef5b264
+    image: linuxkit/test-containerd:9fdfba5efad713b869389f10ee860a11757f9bf2
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
 trust:
   org:
     - linuxkit
diff --git a/test/cases/040_packages/004_dhcpcd/test.yml b/test/cases/040_packages/004_dhcpcd/test.yml
index d9583b64f..5665f14b5 100644
--- a/test/cases/040_packages/004_dhcpcd/test.yml
+++ b/test/cases/040_packages/004_dhcpcd/test.yml
@@ -15,7 +15,7 @@ onboot:
       - /check.sh:/check.sh
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/005_extend/000_ext4/test-create.yml b/test/cases/040_packages/005_extend/000_ext4/test-create.yml
index 1e270472f..c96359aa5 100644
--- a/test/cases/040_packages/005_extend/000_ext4/test-create.yml
+++ b/test/cases/040_packages/005_extend/000_ext4/test-create.yml
@@ -16,7 +16,7 @@ onboot:
       - /var/lib/docker:/var/lib/docker
     command: ["touch", "/var/lib/docker/bar"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 trust:
   org: 
diff --git a/test/cases/040_packages/005_extend/000_ext4/test.yml b/test/cases/040_packages/005_extend/000_ext4/test.yml
index f7f9ee9e2..137d4edc8 100644
--- a/test/cases/040_packages/005_extend/000_ext4/test.yml
+++ b/test/cases/040_packages/005_extend/000_ext4/test.yml
@@ -17,7 +17,7 @@ onboot:
       - /check.sh:/check.sh
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/005_extend/001_btrfs/test-create.yml b/test/cases/040_packages/005_extend/001_btrfs/test-create.yml
index 9e0d64f94..ac20fca73 100644
--- a/test/cases/040_packages/005_extend/001_btrfs/test-create.yml
+++ b/test/cases/040_packages/005_extend/001_btrfs/test-create.yml
@@ -24,7 +24,7 @@ onboot:
       - /var/lib/docker:/var/lib/docker
     command: ["touch", "/var/lib/docker/bar"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 trust:
   org: 
diff --git a/test/cases/040_packages/005_extend/001_btrfs/test.yml b/test/cases/040_packages/005_extend/001_btrfs/test.yml
index bf103a2cb..0503724b2 100644
--- a/test/cases/040_packages/005_extend/001_btrfs/test.yml
+++ b/test/cases/040_packages/005_extend/001_btrfs/test.yml
@@ -25,7 +25,7 @@ onboot:
       - /check.sh:/check.sh
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/005_extend/002_xfs/test-create.yml b/test/cases/040_packages/005_extend/002_xfs/test-create.yml
index 95888cdfd..f70fc366a 100644
--- a/test/cases/040_packages/005_extend/002_xfs/test-create.yml
+++ b/test/cases/040_packages/005_extend/002_xfs/test-create.yml
@@ -17,7 +17,7 @@ onboot:
       - /var/lib/docker:/var/lib/docker
     command: ["touch", "/var/lib/docker/bar"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 trust:
   org: 
diff --git a/test/cases/040_packages/005_extend/002_xfs/test.yml b/test/cases/040_packages/005_extend/002_xfs/test.yml
index e517f91ca..ec8b1efbc 100644
--- a/test/cases/040_packages/005_extend/002_xfs/test.yml
+++ b/test/cases/040_packages/005_extend/002_xfs/test.yml
@@ -18,7 +18,7 @@ onboot:
       - /check.sh:/check.sh
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/006_format_mount/000_auto/test.yml b/test/cases/040_packages/006_format_mount/000_auto/test.yml
index 43db552bc..f87d06404 100644
--- a/test/cases/040_packages/006_format_mount/000_auto/test.yml
+++ b/test/cases/040_packages/006_format_mount/000_auto/test.yml
@@ -18,7 +18,7 @@ onboot:
       - /check.sh:/check.sh
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/006_format_mount/001_by_label/test.yml b/test/cases/040_packages/006_format_mount/001_by_label/test.yml
index 660edb9f6..5193c7e49 100644
--- a/test/cases/040_packages/006_format_mount/001_by_label/test.yml
+++ b/test/cases/040_packages/006_format_mount/001_by_label/test.yml
@@ -18,7 +18,7 @@ onboot:
       - /check.sh:/check.sh
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/006_format_mount/002_by_name/test.yml.in b/test/cases/040_packages/006_format_mount/002_by_name/test.yml.in
index 57c02c171..3c6dd3b4e 100644
--- a/test/cases/040_packages/006_format_mount/002_by_name/test.yml.in
+++ b/test/cases/040_packages/006_format_mount/002_by_name/test.yml.in
@@ -18,7 +18,7 @@ onboot:
       - /check.sh:/check.sh
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/006_format_mount/003_btrfs/test.yml b/test/cases/040_packages/006_format_mount/003_btrfs/test.yml
index 860d60829..05e7ecae9 100644
--- a/test/cases/040_packages/006_format_mount/003_btrfs/test.yml
+++ b/test/cases/040_packages/006_format_mount/003_btrfs/test.yml
@@ -25,7 +25,7 @@ onboot:
       - /check.sh:/check.sh
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/006_format_mount/004_xfs/test.yml b/test/cases/040_packages/006_format_mount/004_xfs/test.yml
index 2cd2df10e..370fc74aa 100644
--- a/test/cases/040_packages/006_format_mount/004_xfs/test.yml
+++ b/test/cases/040_packages/006_format_mount/004_xfs/test.yml
@@ -18,7 +18,7 @@ onboot:
       - /check.sh:/check.sh
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/006_format_mount/005_by_device_force/test.yml b/test/cases/040_packages/006_format_mount/005_by_device_force/test.yml
index f3c92c453..32cc92d3b 100644
--- a/test/cases/040_packages/006_format_mount/005_by_device_force/test.yml
+++ b/test/cases/040_packages/006_format_mount/005_by_device_force/test.yml
@@ -26,7 +26,7 @@ onboot:
       - CAP_SYS_ADMIN
       - CAP_MKNOD
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/006_format_mount/010_multiple/test.yml b/test/cases/040_packages/006_format_mount/010_multiple/test.yml
index 87951e8c4..e66d6b428 100644
--- a/test/cases/040_packages/006_format_mount/010_multiple/test.yml
+++ b/test/cases/040_packages/006_format_mount/010_multiple/test.yml
@@ -25,7 +25,7 @@ onboot:
       - /check.sh:/check.sh
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/cases/040_packages/013_mkimage/mkimage.yml b/test/cases/040_packages/013_mkimage/mkimage.yml
index e4d2be5cf..06a13796c 100644
--- a/test/cases/040_packages/013_mkimage/mkimage.yml
+++ b/test/cases/040_packages/013_mkimage/mkimage.yml
@@ -8,7 +8,7 @@ onboot:
   - name: mkimage
     image: linuxkit/mkimage:a5dd896053b08abea3141628f7245f4d16a5fc1f
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
 trust:
   org:
     - linuxkit
diff --git a/test/cases/040_packages/013_mkimage/run.yml b/test/cases/040_packages/013_mkimage/run.yml
index ba0a500fc..337ae3881 100644
--- a/test/cases/040_packages/013_mkimage/run.yml
+++ b/test/cases/040_packages/013_mkimage/run.yml
@@ -6,7 +6,7 @@ init:
   - linuxkit/runc:817fdc592eac6cb7804fa1721a43a7f6e23fb50f
 onboot:
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
 trust:
   org:
     - linuxkit
diff --git a/test/cases/040_packages/019_sysctl/test.yml b/test/cases/040_packages/019_sysctl/test.yml
index 31ca6a535..b1c4e2ee6 100644
--- a/test/cases/040_packages/019_sysctl/test.yml
+++ b/test/cases/040_packages/019_sysctl/test.yml
@@ -16,7 +16,7 @@ onboot:
       - /check.sh:/check.sh
     command: ["sh", "./check.sh"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "10"]
 files:
   - path: check.sh
diff --git a/test/hack/test-ltp.yml b/test/hack/test-ltp.yml
index 6f535691b..9eda4c71b 100644
--- a/test/hack/test-ltp.yml
+++ b/test/hack/test-ltp.yml
@@ -11,7 +11,7 @@ onboot:
     binds:
      - /etc/ltp/baseline:/etc/ltp/baseline
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
 files:
   - path: /etc/ltp/baseline
     contents: "100"
diff --git a/test/hack/test.yml b/test/hack/test.yml
index 3ab3549b8..0d98596c7 100644
--- a/test/hack/test.yml
+++ b/test/hack/test.yml
@@ -12,9 +12,9 @@ onboot:
     image: linuxkit/dhcpcd:48831507404049660b960e4055f544917d90378e
     command: ["/sbin/dhcpcd", "--nobackground", "-f", "/dhcpcd.conf", "-1"]
   - name: check-kernel-config
-    image: linuxkit/test-kernel-config:8b09b3d6e69440582e590a8981585851e9206bdc
+    image: linuxkit/test-kernel-config:ff8fac1c318403aff3e2993dd9b130304e09f92e
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
 trust:
   image:
diff --git a/test/pkg/ns/template.yml b/test/pkg/ns/template.yml
index 9f7763e74..34018cd6e 100644
--- a/test/pkg/ns/template.yml
+++ b/test/pkg/ns/template.yml
@@ -14,7 +14,7 @@ onboot:
     - type: cgroup
       options: ["rw"]
   - name: poweroff
-    image: linuxkit/poweroff:ffd3f539a6f4e67d4cd4ff36503636de35edd7b2
+    image: linuxkit/poweroff:280bd01daa8776fbe1f4d912977f1886b8374834
     command: ["/bin/sh", "/poweroff.sh", "3"]
 trust:
   org: