kube-apiserver operator degraded with error 'InstallerPodContainerWaiting_ContainerCreating::InstallerPodNetworking_FailedCreatePodSandBox'

Solution In Progress - Updated -

Environment

  • Red Hat OpenShift Container Platform
    • 4.5

Issue

  • kube-apiserver operator degraded with below error,
message: 'InstallerPodContainerWaitingDegraded: Pod "installer-24-ocpprod-master-1"
          on node "ocpprod-master-1" container "installer" is waiting for 1h41m49.591401106s
          because ""
          InstallerPodNetworkingDegraded: Pod "installer-24-ocpprod-master-1" on
          node "ocpprod-master-1" observed degraded networking: (combined from similar
          events): Failed to create pod sandbox: rpc error: code = Unknown desc = failed
          to create pod network sandbox k8s_installer-24-ocpprod-master-1_openshift-kube-apiserver_e1c07d07-9e32-45de-a927-  dc9798d7d004_0(c12141ecf7a3d46df3ebb9a45b9aa747feaf8912896ae562871f700c3ad4595e):
          Multus: [openshift-kube-apiserver/installer-24-ocpprod-master-1]: error
          adding container to network "openshift-sdn": delegateAdd: error invoking confAdd
          - "openshift-sdn": error in getting result from AddNetwork: CNI request failed
          with status 400: ''an error on the server ("") has prevented the request from
          succeeding (get pods installer-24-ocpprod-master-1)

          InstallerPodNetworkingDegraded: '''
reason:   InstallerPodContainerWaiting_ContainerCreating::InstallerPodNetworking_FailedCreatePodSandBox

Resolution

  • This issue is being tracked under Bugzilla ID 1905494

  • As a workaround to this issue, restart the sdn-pod on the affected node. The affected node name can be seen within the error.

Diagnostic Steps

  • Check kube-apiserver operator details.
$ oc get co kube-apiserver -o yaml

OR

$ oc describe co kube-apiserver

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