Improve messages logging

src/tcp_relay_server/relay_ws.rs

@@ -196,11 +196,16 @@ pub async fn relay_ws(
         tcp_write,
         hb: Instant::now(),
     };
+
     let resp = ws::start(relay, &req, stream);
     log::info!(
-        "Opening new WS connection for {:?} to {}",
+        "Opening new WS connection:\
+         * for {:?}\
+         * to {}\
+         * token {:?}",
         req.peer_addr(),
-        upstream_addr
+        upstream_addr,
+        query.token
     );
     resp
 }