configs := handleAndGetXdsConfigs(clientConfig)
	for _, config := range configs {
		cfgType := config.GetTypeUrl()
		switch cfgType {
		case xdsresource.ListenerType:
			lds = formatStatus(config)
		case xdsresource.ClusterType:
			cds = formatStatus(config)
		case xdsresource.RouteType:
			rds = formatStatus(config)
		case xdsresource.EndpointType:

			wantException:  true,
		},
		{ // case 1, with Istiod instance
			args:           []string{},
			expectedString: "NAME     CLUSTER     CDS     LDS     EDS     RDS     ECDS     ISTIOD",
		},
		{ // case 2: supplying nonexistent pod name should result in error with flag
			args:          strings.Split("deployment/random-gibberish", " "),
			wantException: true,
		},

	// once the pod restarts (in CrashLoopBackoff), which can take some time.
	// We don't want to constantly try to apply the iptables rules, which is unneeded and will fail.
	// Instead, we track which UIDs we repaired and skip them if already repaired.
	//
	// An alternative would be to write something to the Pod (status, annotation, etc).
	// However, this requires elevated privileges we want to avoid

			// More than one container ID found in the cgroups.
			return "", "", fmt.Errorf("multiple container IDs found in cgroups (%s, %s)",
				containerID, candidateContainerID)
		case podUID != candidatePodUID:
			// More than one pod UID found in the cgroups.
			return "", "", fmt.Errorf("multiple pod UIDs found in cgroups (%s, %s)",
				podUID, candidatePodUID)
		}
	}

	return podUID, containerID, nil

	// since they are functioned differently with different name.
	// The filtered common labels are then added to the incoming generated
	// webhooks, which aids in managing these webhooks via the istioctl/operator.
	filteredLabels := make(map[string]string)
	for k, v := range wh.Labels {
		if k != "app" {
			filteredLabels[k] = v
		}
	}

	return &tagWebhookConfig{