atomic-openshift-node fails to start in OpenShift 3.10 and 3.11

Solution Verified - Updated -

Issue

  • Docker is running on masters, but apiserver, controllers and etcd static pods are stopped.
  • When trying to start atomic-openshift-node in masters, it gets stuck and never starts.
  • Bootstrap errors are shown at atomic-openshift-node log.
  • atomic-openshift-node service fails with
bootstrap.go:195] Part of the existing bootstrap client certificate is expired
server.go:261] failed to run Kubelet: cannot create certificate signing request: Unauthorized

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 3.10
    • 3.11
  • 3-master installation with etcd colocated

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