Description of problem: The name of the resource watched for updates to the etcd metrics CA certificate has a typo. It is currently "etcd-metrics-serving-ca" but should be "etcd-metric-serving-ca" without the extra "s".
tested with 4.8.0-0.nightly-2021-05-29-114625, configmap name now is etcd-metric-serving-ca # oc -n openshift-config get cm etcd-metric-serving-ca NAME DATA AGE etcd-metric-serving-ca 1 158m
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 4.8.2 bug fix and security 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-2021:2438