pass a logging.Tracer to the packet handler map

server.go

@@ -178,7 +178,7 @@ func listen(conn net.PacketConn, tlsConf *tls.Config, config *Config, acceptEarl
 		}
 	}
 
-	sessionHandler, err := getMultiplexer().AddConn(conn, config.ConnectionIDLength, config.StatelessResetKey)
+	sessionHandler, err := getMultiplexer().AddConn(conn, config.ConnectionIDLength, config.StatelessResetKey, config.Tracer)
 	if err != nil {
 		return nil, err
 	}