by Istio are named as host:port, where the host
                                    typically corresponds to the VirtualService's
                                    host field or the hostname of a service in the
                                    registry.
                                  type: string
                                route:

                                    by Istio are named as host:port, where the host
                                    typically corresponds to the VirtualService's
                                    host field or the hostname of a service in the
                                    registry.
                                  type: string
                                route: