The kube-controller-manager pod stuck in CrashLoopBackOff.

Solution Verified - Updated -


  • The kube-controller-manager container restarting a number of times.
  • The kube-controller-manager pod stuck in CrashLoopBackOff state.
  • During the cluster upgrade kube-controller-manager goes into a degraded state.
  • How to switch the kube-controller-manager to run with localhost?


  • Red Hat OpenShift Container Platform [RHOCP]
    • 4.5.24

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