Listeners: []gateway.Listener{{
					Name:     "mesh",
					Port:     15008,
					Protocol: gateway.ProtocolType(protocol.HBONE),
				}},
			},
		}

		// only label if the user has provided their own value, otherwise we let istiod choose a default at runtime (service)
		// this will allow for gateway class to provide a default for that class rather than always forcing service or requiring users to configure correctly