diff --git a/components/devices/class.interface.js b/components/devices/class.interface.js
index 7a24a97..eba21f4 100644
--- a/components/devices/class.interface.js
+++ b/components/devices/class.interface.js
@@ -3,7 +3,7 @@ const { Agent } = require("http");
 const https = require("https");
 const tls = require("tls");
 const mongodb = require("mongodb");
-const { Duplex, PassThrough } = require("stream");
+const { PassThrough, pipeline, duplexPair } = require("stream");
 const { randomUUID } = require("crypto");
 //const path = require("path");
 
@@ -176,7 +176,7 @@ module.exports = class Interface {
 
     }
 
-
+    /*
     bridge() {
 
         let { logger } = Interface.scope;
@@ -222,11 +222,21 @@ module.exports = class Interface {
 
                 }
 
+                /*
                 ["close", "end", "error"].forEach((event) => {
                     stream.on(event, (...args) => {
+                        console.log("Event", event, "on websocket stream received");
                         socket.emit(event, ...args);
                     });
                 });
+                *
+
+                stream.once("end", () => {
+                    console.log("End on websocket stream received, call end on socket stream")
+                    writable.end();
+                    readable.end();
+                    socket.end();
+                });
 
                 stream.once("destroy", () => {
                     writable.destory();
@@ -277,6 +287,70 @@ module.exports = class Interface {
 
         return socket;
 
+    }
+    */
+
+    // new approach
+    bridge() {
+
+        let { logger } = Interface.scope;
+        let { host, port, socket: proto } = this.settings;
+
+        // from this.adapter array
+        // placeholder for adapter pipeline
+        const encode = new PassThrough(); // outbound
+        const decode = new PassThrough(); // inbound
+        const [clientSock, proxySock] = duplexPair();
+
+
+        ["ref", "unref", "setKeepAlive", "setTimeout", "setNoDelay"].forEach((fnc) => {
+            clientSock[fnc] = (...args) => {
+                logger.trace(`Interface ${this._id} method "${fnc}" called on socket stream, args:`, args);
+            };
+        });
+
+        Interface.socket(this._id, (err, ws, request) => {
+
+            if (err) {
+
+                if (process.env.NODE_ENV === "development") {
+                    logger.warn(err, "Could not create socket");
+                }
+
+                return clientSock.destroy(err);
+
+            }
+
+            if (process.env.NODE_ENV === "development") {
+
+                clientSock.once("open", () => {
+                    logger.debug(`Bridge open: iface ${this._id} <-> ${proto}://${host}:${port} (${request.uuid})`);
+                });
+
+                clientSock.once("close", () => {
+                    logger.debug(`Bridge closed: iface ${this._id} <-> ${proto}://${host}:${port} (${request.uuid})`);
+                });
+
+            }
+
+            // outbound: client -> encode -> websocket
+            pipeline(proxySock, encode, ws, (err) => {
+                clientSock.destroy(err);
+            });
+
+            // inbound: websocket -> decode -> client
+            pipeline(ws, decode, proxySock, (err) => {
+                clientSock.destroy(err);
+            });
+
+            process.nextTick(() => {
+                clientSock.emit("open");
+            });
+
+        });
+
+        return clientSock;
+
     }
 
     // bridge methods connects adapter with the underlaying network socket
diff --git a/components/endpoints/class.endpoint.js b/components/endpoints/class.endpoint.js
index f174e9b..fd0b881 100644
--- a/components/endpoints/class.endpoint.js
+++ b/components/endpoints/class.endpoint.js
@@ -58,7 +58,7 @@ module.exports = class Endpoint extends Item {
 
             } catch (err) {
 
-                logger.warn(err, "Could not update item states after debouncing");
+                logger.warn(err, `Could not update item states after debouncing (${this.name})`, this.states);
 
             }
         }, 100); // TODO: remove time, or set to 1/0
diff --git a/components/endpoints/class.state.js b/components/endpoints/class.state.js
index 8fe1970..dfbdee7 100644
--- a/components/endpoints/class.state.js
+++ b/components/endpoints/class.state.js
@@ -117,6 +117,8 @@ module.exports = class State {
                 is: "string",
                 then: Joi.object({
                     value: Joi.string().default(null).allow(null)
+                    // enum: Joi.array().items(Joi.string()).validate(...)
+                    // if enum are not empty, state value can only be on of the enums
                 })
             }, {
                 is: "boolean",
diff --git a/components/scenes/class.scene.js b/components/scenes/class.scene.js
index f114d5b..6e9d72e 100644
--- a/components/scenes/class.scene.js
+++ b/components/scenes/class.scene.js
@@ -162,7 +162,7 @@ module.exports = class Scene extends Item {
 
     }
 
-    trigger(inputs) {
+    trigger(inputs = []) {
 
         let { logger } = Scene.scope;
         logger.info(`Trigger scene "${this.name}" (${this._id}), inputs:`, inputs);
@@ -183,6 +183,10 @@ module.exports = class Scene extends Item {
                 return input.key === key;
             });
 
+            if (!input) {
+                return;
+            }
+
             input.value = value;
 
         });
diff --git a/components/ssdp/index.js b/components/ssdp/index.js
index 46bb878..4143ab0 100644
--- a/components/ssdp/index.js
+++ b/components/ssdp/index.js
@@ -29,6 +29,7 @@ const messageHandler = require("./message-handler.js");
  * @example
  * ```sh
  * nc -ulvv 239.255.255.250 1900
+ * socat UDP4-RECVFROM:1900,ip-add-membership=239.255.255.250:0.0.0.0,fork -
  * ```
  * 
  * @example
diff --git a/index.js b/index.js
index c141e5f..eb8a548 100644
--- a/index.js
+++ b/index.js
@@ -126,6 +126,9 @@ if (process.env.NODE_ENV !== "production") {
     logger.warn("> OpenHaus runs not in production mode! (%s)", process.env.NODE_ENV);
 }
 
+if (process.env.WORKER_THREADS_ENABLED === "true") {
+    logger.warn("Worker threads are a experimental feature!");
+}
 
 // see #471
 if (!semver.satisfies(process.versions.node, pkg.engines.node)) {
@@ -153,6 +156,7 @@ if (process.env.GC_INTERVAL !== null && global.gc) {
 const init_db = require("./system/init/init.database.js")(logger);
 const init_components = require("./system/init/init.components.js")(logger);
 const init_http = require("./system/init/init.http-server.js")(logger);
+const { channel } = require("./system/component/class.events.js");
 
 
 // NOTE: Could/should be removed
@@ -310,6 +314,8 @@ const starter = new Promise((resolve) => {
             logger.debug(`signal=${signal} received`);
             logger.warn("Shuting down...");
 
+            channel.close();
+
             setTimeout(() => {
                 process.exit(0);
             });
diff --git a/routes/router.api.devices.js b/routes/router.api.devices.js
index 9fe44d7..97c4248 100644
--- a/routes/router.api.devices.js
+++ b/routes/router.api.devices.js
@@ -147,11 +147,8 @@ module.exports = (app, router) => {
                                     // TODO: check code and decide if error or success closing
                                     //stream.emit("close"); // desotroy() emit close event(!|?)
                                     if (code === 1005 || code === 1000) {
-                                        console.log("end normaly");
                                         stream.end();
-                                        //stream.emit("end");
                                     } else {
-                                        //console.log("End destory");
                                         stream.destroy();
                                     }
 
diff --git a/routes/router.api.scenes.js b/routes/router.api.scenes.js
index aa97a4e..74383c6 100644
--- a/routes/router.api.scenes.js
+++ b/routes/router.api.scenes.js
@@ -1,7 +1,7 @@
 module.exports = (app, router) => {
 
     router.post("/:_id/trigger", (req, res) => {
-        req.item.trigger();
+        req.item.trigger(req.body?.inputs || []);
         res.status(202).json(req.item);
     });