// if it is HTTPS. So we can construct a QUIC server on the same port. It is okay as
						// QUIC listens on UDP port, not TCP
						if features.EnableQUICListeners && gateway.IsEligibleForHTTP3Upgrade(s) &&
							udpSupportedPort(s.GetPort().GetNumber(), gwAndInstance.instances) {
							log.Debugf("Server at port %d eligible for HTTP3 upgrade. Add UDP listener for QUIC", serverPort.Number)
							if mergedQUICServers[serverPort] == nil {