Verified in 4.7.0-0.nightly-2021-03-25-123648
$ oc get clusterversion
NAME VERSION AVAILABLE PROGRESSING SINCE STATUS
version 4.7.0-0.nightly-2021-03-25-123648 True False 23m Cluster version is 4.7.0-0.nightly-2021-03-25-123648
$ oc -n openshift-dns get pod dns-default-26j9d -oyaml
<--- snip ---->
readinessProbe:
failureThreshold: 3
httpGet:
path: /ready <--- verified with pull https://github.com/openshift/cluster-dns-operator/pull/247
port: 8181 <--- verified with pull https://github.com/openshift/cluster-dns-operator/pull/247
scheme: HTTP
initialDelaySeconds: 10
periodSeconds: 3
successThreshold: 1
timeoutSeconds: 3
<--- snip ---->
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 (Moderate: OpenShift Container Platform 4.7.5 security and 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.
https://access.redhat.com/errata/RHSA-2021:1005