Error from server (ServiceUnavailable) and TLS handshake errors from openshift-apiserver pod

Issue

• Getting errors like below while looking for OCP objects

  $ oc get projects
  Error from server (ServiceUnavailable): the server is currently unable to handle the request (get projects.project.openshift.io)
  

• Getting a huge amount of "TLS handshake errors" in openshift-apiserver pod as below

  I0915 08:07:35.705088       1 log.go:172] http: TLS handshake error from 10.128.0.1:32884: EOF
  I0915 08:07:35.706035       1 log.go:172] http: TLS handshake error from 10.128.0.1:32886: EOF
  I0915 08:07:35.706674       1 log.go:172] http: TLS handshake error from 10.128.0.1:32882: EOF
  I0915 08:07:35.706870       1 log.go:172] http: TLS handshake error from 10.128.0.1:32876: EOF
  

• oc commands getting stuck multiple times

• Authentication and Monitoring cluster operators are in a degraded state with similar error messages as below

  openshift-authentication-operator   88s         Normal    OperatorStatusChanged    deployment/authentication-operator                                   Status for clusteroperator/authentication changed: Degraded message changed from "OAuthClientsDegraded: the server is currently unable to handle the request (get oauthclients.oauth.openshift.io openshift-browser-client)" to "OperatorSyncDegraded: the server is currently unable to handle the request (get oauthclients.oauth.openshift.io openshift-challenging-client)\nOAuthClientsDegraded: the server is currently unable to handle the request (get oauthclients.oauth.openshift.io openshift-browser-client)"