claudiubelu: Automated cherry pick of #103371: tests: Wait for the network connectivity first

JobBuild
105443
10-04 09:30
8240cdff
10-04 09:30
pull-kubernetes-bazel-build 1444957498342641664
pull-kubernetes-bazel-test 1444957498384584704
pull-kubernetes-dependencies 1444957498418139136
pull-kubernetes-e2e-aks-engine-windows-containerd 1444957499043090432
pull-kubernetes-e2e-gce-100-performance 1444957498313281536
pull-kubernetes-e2e-gce-ubuntu-containerd 1444957498225201152
pull-kubernetes-e2e-kind 1444957498502025216
pull-kubernetes-integration 1444957498460082176
pull-kubernetes-node-e2e 1444957498262949888
pull-kubernetes-typecheck 1444957498535579648
pull-kubernetes-verify 1444957498573328384