code: func namespacesForPod(pod *v1.Pod) *runtimeapi.NamespaceOption {
  	return &runtimeapi.NamespaceOption{
  		Ipc:     ipcNamespaceForPod(pod),
  		Network: networkNamespaceForPod(pod),
  		Pid:     pidNamespaceForPod(pod),
  	}
  }
docs: // namespacesForPod returns the runtimeapi.NamespaceOption for a given pod.
  // An empty or nil pod can be used to get the namespace defaults for v1.Pod.