skip ipv6 ping pod from pod for rhel 7
skip ipv6 ping pod from pod for rhel 7

Signed-off-by: Peter Hunt <fb7b1ad57b81f1e149129d77ecccc59c02fe0648@redhat.com>

mikebrow/cri-o,kubernetes-incubator/cri-o,kubernetes-incubator/ocid,mikebrow/cri-o,kubernetes-incubator/ocid,mikebrow/cri-o,nalind/cri-o,mikebrow/cri-o,nalind/cri-o,nalind/cri-o,kubernetes-incubator/cri-o,kubernetes-incubator/cri-o,kubernetes-incubator/cri-o,kubernetes-incubator/ocid