Kube-apiserver operator is degraded with error: EncryptionMigrationControllerProgressing: migrating resources to a new write key: [core/configmaps core/secrets]

Issue

• Kube-apiserver and kube-controller-manager operator are degraded with below mentioned error:

kube-apiserver                             4.12.25   True        True          False      221d    EncryptionMigrationControllerProgressing: migrating resources to a new write key: [core/configmaps core/secrets]
kube-controller-manager                    4.12.25   True        False         True       221d    GarbageCollectorDegraded: error querying alerts: client_error: client error: 403

• Kube-apiserver pod displays age as <invalid> :

NAME                       READY   STATUS  RESTARTS   AGE
kube-apiserver-master-0     5/5   Running   0         34h
kube-apiserver-master-1     5/5   Running   0         34h
kube-apiserver-master-2     5/5   Running   0         <invalid>