RHOCP 4 cluster is down with kubelet messages node "XXXXXX" not found and no serving certificate available for the kubelet

Solution Verified - Updated -

Issue

  • Cluster is down and the following logs observed in journalctl logs:

    May 12 21:15:15 Hostname hyperkube[34705]: E0512 21:15:15.122157   34705 kubelet.go:2254] node "Hostname" not found
May 12 21:15:15 Hostname hyperkube[34705]: I0512 21:15:15.128554   34705 log.go:172] http: TLS handshake error from XX.XX.XX.XX:XXXXX: no serving certificate available for the kubelet
May 12 21:15:15 Hostname hyperkube[34705]: E0512 21:15:15.222426   34705 kubelet.go:2254] node "Hostname" not found

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4

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