High CPU utilization and timeouts leading to system crashes in RHOCP

Issue

• Observed high cpu utilization in node and failing mounting with Connection timed out

    Type     Reason       Age                    From     Message
    ----     ------       ----                   ----     -------
    Warning  FailedMount  163m (x93 over 6h14m)  kubelet  MountVolume.SetUp failed for volume "siptls-ca" : mount failed: exit status 1
    Mounting command: systemd-run
    Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/0b94f3d8-4449-451a-9147-e0e64230ee1f/volumes/kubernetes.io~secret/siptls-ca --scope -- mount -t tmpfs tmpfs /var/lib/kubelet/pods/0b94f3d8-4449-451a-9147-e0e64230ee1f/volumes/kubernetes.io~secret/siptls-ca
    Output: Failed to start transient scope unit: Connection timed out
      Warning  FailedMount  134m (x105 over 6h14m)  kubelet  MountVolume.SetUp failed for volume "client-ca" : mount failed: exit status 1
    Mounting command: systemd-run
  

• Pod stuck in ContainerCreating with error Connection timed out