Add ipv6 support to the e2e healthz test

The test [k8s.io] Probing container [It] should not be restarted with a /healthz http liveness probe [NodeConformance] [Conformance] fails because it's using a nginx image that's spawns a server that's only listening on IPv4 by default. Switching to an image like TestWebserver that's listening in IPv4 and IPv6 by default allows the test to run on IPv4 and IPv6 environments. Reference: https://github.com/kubernetes/kubernetes/issues/70248

Add ipv6 support to the e2e healthz test
d5d57baa · Antonio Ojea · 0b4275b6 · d5d57baa
Unverified Commit d5d57baa authored Mar 10, 2019 by Antonio Ojea
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container_probe.go test/e2e/common/container_probe.go +1 -1

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--- a/test/e2e/common/container_probe.go
+++ b/test/e2e/common/container_probe.go
@@ -252,7 +252,7 @@ var _ = framework.KubeDescribe("Probing container", func() {
 				Containers: []v1.Container{
 					{
 						Name:  "liveness",
-						Image: imageutils.GetE2EImage(imageutils.Nginx),
+						Image: imageutils.GetE2EImage(imageutils.TestWebserver),
 						Ports: []v1.ContainerPort{{ContainerPort: 80}},
 						LivenessProbe: &v1.Probe{
 							Handler: v1.Handler{