aramase: Automated cherry pick of #108496: iptables: remove port opener

JobBuild
108896
04-28 07:43
db608d37
04-28 07:42
pull-kubernetes-conformance-kind-ga-only-parallel 1519582649180491776
pull-kubernetes-dependencies 1519582648459071488
pull-kubernetes-e2e-gce-100-performance 1519582648425517056
pull-kubernetes-e2e-gce-ubuntu-containerd 1519582648337436672
pull-kubernetes-e2e-kind 1519582648538763264
pull-kubernetes-e2e-kind-ipv6 1519582648685563904
pull-kubernetes-integration 1519582648496820224
pull-kubernetes-node-e2e 1519582648366796800
pull-kubernetes-typecheck 1519582648572317696
pull-kubernetes-unit 1519582650010963968
pull-kubernetes-verify 1519582648605872128
pull-kubernetes-verify-govet-levee 1519582648647815168