Description of problem:
Node Resolver is not able to pull correct DNS record for ipv6
Unable to specify the ipv6 IP for the service IP
able to specify ipv6 IP for the service IP
Patch cherry-pick to release-4.3 upstream
verified with 4.4.0-0.nightly-2020-03-23-010639 and the issue has been fixed.
$ oc get svc -n openshift-image-registry
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
image-registry ClusterIP fd02::bde <none> 5000/TCP 10m
$ cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
fd02::bde image-registry.openshift-image-registry.svc image-registry.openshift-image-registry.svc.cluster.local # openshift-generated-node-resolver
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.