fix duplicate unbind action

pkg/proxy/ipvs/testing/BUILD

@@ -0,0 +1,32 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = select({
+        "@io_bazel_rules_go//go/platform:linux_amd64": [
+            "fake.go",
+        ],
+        "//conditions:default": [],
+    }),
+    tags = ["automanaged"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

pkg/proxy/ipvs/testing/fake.go

@@ -0,0 +1,38 @@
+// +build linux
+
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package testing
+
+//FakeNetlinkHandle mock implementation of proxy NetlinkHandle
+type FakeNetlinkHandle struct {
+}
+
+//NewFakeNetlinkHandle will create a new FakeNetlinkHandle
+func NewFakeNetlinkHandle() *FakeNetlinkHandle {
+	return &FakeNetlinkHandle{}
+}
+
+//EnsureAddressBind is a mock implementation
+func (h *FakeNetlinkHandle) EnsureAddressBind(address, devName string) (exist bool, err error) {
+	return false, nil
+}
+
+//UnbindAddress is a mock implementation
+func (h *FakeNetlinkHandle) UnbindAddress(address, devName string) error {
+	return nil
+}