an also be manually specified on the pod by the service
owner. The Istio installation in each cluster configures webhook injection
using an admin-specified value.</p></li><li><p>Gateway Service: Applying this label to the Service for an Istio Gateway,
indicates that Istio should use this service as the gateway for the
network, when configuring cross-network traffic. Istio will configure
pods residing outside of the network to access the Gateway service
via <code>spec.externalIPs</code>, <code>status.loadBal