code: func (podStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
  	pod := obj.(*api.Pod)
  	pod.Status = api.PodStatus{
  		Phase:    api.PodPending,
  		QOSClass: qos.GetPodQOS(pod),
  	}
  
  	podutil.DropDisabledPodFields(pod, nil)
  }
docs: // PrepareForCreate clears fields that are not allowed to be set by end users on creation.