</td><td>This label is applied to a workload internally that identifies the Kubernetes cluster containing the workload. The cluster ID is specified during Istio installation for each cluster via `values.global.multiCluster.clusterName`. It should be noted that this is only used internally within Istio and is not an actual label on workload pods. If a pod contains this label, it will be overridden by Istio internally with the cluster ID specified during Istio installation. This label provides a way to select