MachineConfig degraded on upgrade, not progressing due to MachineConfigPool being paused in OCP 4

Solution Verified - Updated -

Issue

  • MachineConfigPools are paused, preventing the Machine Config Operator to push out updates in OpenShift 4.
  • The machine-config ClusterOperator has messages like:

    timed out waiting for the condition during syncRequiredMachineConfigPools:
    
    pool master has not progressed to latest configuration: controller version mismatch
    

Environment

  • Red Hat Openshift Container Platform (RHOCP)
    • 4.x

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