PLEG is not healthy generateEvents source code

pleg_unhealthy_generateevents_trace_code_part.md

//// pkg/kubelet/pleg/generic.go - computeEvents()

func computeEvents(oldPod, newPod *kubecontainer.Pod, cid *kubecontainer.ContainerID) []*PodLifecycleEvent {
:
    return generateEvents(pid, cid.ID, oldState, newState)
}

//// pkg/kubelet/pleg/generic.go - generateEvents()

func generateEvents(podID types.UID, cid string, oldState, newState plegContainerState) []*PodLifecycleEvent {
:
    glog.V(4).Infof("GenericPLEG: %v/%v: %v -> %v", podID, cid, oldState, newState)
    switch newState {
    case plegContainerRunning:
      return []*PodLifecycleEvent{{ID: podID, Type: ContainerStarted, Data: cid}}
    case plegContainerExited:
      return []*PodLifecycleEvent{{ID: podID, Type: ContainerDied, Data: cid}}
    case plegContainerUnknown:
      return []*PodLifecycleEvent{{ID: podID, Type: ContainerChanged, Data: cid}}
    case plegContainerNonExistent:
      switch oldState {
      case plegContainerExited:
        // We already reported that the container died before.
        return []*PodLifecycleEvent{{ID: podID, Type: ContainerRemoved, Data: cid}}
      default:
        return []*PodLifecycleEvent{{ID: podID, Type: ContainerDied, Data: cid}, {ID: podID, Type: ContainerRemoved, Data: cid}}
      }
    default:
      panic(fmt.Sprintf("unrecognized container state: %v", newState))
  }
}