Description of problem:
When trying to access a pod using its IPv6 address it is not accessible

Version-Release number of selected component (if applicable):
NAME VERSION AVAILABLE PROGRESSING SINCE STATUS
version 4.8.0-0.nightly-2021-03-14-134919 True False 33h Cluster version is 4.8.0-0.nightly-2021-03-14-134919

How reproducible:
Every time

Steps to Reproduce:
1.Install the kata operator on the cluster
2.Create a pod using that runs using the kata-runtime
3.Check on which worker node that pod is running on and ssh to another worker node.
4.Try to access this pod from the other node using the pod's IPv6 address

Actual results:
Doesn't able to connect

Expected results:
Connects successfullu

Additional info:
This works with regular pods, but not with pods that run using the kata-rutime...