dr, _ = configClient.NetworkingV1alpha3().DestinationRules(drNamespace).Get(context.Background(), drName, metav1.GetOptions{})
						if dr == nil {
							fmt.Fprintf(writer,
								"WARNING: Proxy is stale; it references to non-existent destination rule %s.%s\n",
								drName, drNamespace)
						}
						recordDestinationRules[newResourceID(drNamespace, drName)] = dr.DeepCopy()
					}
				}
				if dr != nil {