From 0235bca2d37faffcc01533aedf99cd19b9e89bcf Mon Sep 17 00:00:00 2001
From: fabianofranz <contact@fabianofranz.com>
Date: Wed, 14 Jan 2015 17:09:27 -0200
Subject: [PATCH] When choosing a host interface proxier must only consider the
 ones with an address assigned

---
 pkg/proxy/proxier.go | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkg/proxy/proxier.go b/pkg/proxy/proxier.go
index f0e2c9fa312..85a5c03c39a 100644
--- a/pkg/proxy/proxier.go
+++ b/pkg/proxy/proxier.go
@@ -766,8 +766,14 @@ func chooseHostInterface() (net.IP, error) {
 	i := 0
 	for i = range intfs {
 		if flagsSet(intfs[i].Flags, net.FlagUp) && flagsClear(intfs[i].Flags, net.FlagLoopback|net.FlagPointToPoint) {
-			// This interface should suffice.
-			break
+			addrs, err := intfs[i].Addrs()
+			if err != nil {
+				return nil, err
+			}
+			if len(addrs) > 0 {
+				// This interface should suffice.
+				break
+			}
 		}
 	}
 	if i == len(intfs) {