please ignore my last comment, I read the result reversely by mistake. Below is correct result:
Verified in 4.6.0-0.nightly-2021-04-16-034018
$ oc -n openshift-dns get pod
NAME READY STATUS RESTARTS AGE
dns-default-654g9 3/3 Running 0 41m
dns-default-7pp2l 3/3 Running 0 35m
dns-default-dcq44 3/3 Running 0 41m
dns-default-jcrhl 3/3 Running 0 35m
dns-default-q29g9 3/3 Running 0 35m
dns-default-q6lkj 3/3 Running 0 41m
$ oc -n openshift-dns get pod/dns-default-654g9 -oyaml
path: /ready <--- verified the fix by https://github.com/openshift/cluster-dns-operator/pull/248/files
port: 8181 <--- verified the fix by https://github.com/openshift/cluster-dns-operator/pull/248/files
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 (OpenShift Container Platform 4.6.26 bug fix update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.