Add extra logging in samsungtv (#143933)

* Cache and reuse REST client in samsungtv

* Add logging

homeassistant/components/samsungtv/bridge.py

@@ -566,17 +566,25 @@ class SamsungTVWSBridge(
         """Try to gather infos of this TV."""
         if self._rest_api is None:
             assert self.port
-            rest_api = SamsungTVAsyncRest(
+            self._rest_api = SamsungTVAsyncRest(
                 host=self.host,
                 session=async_get_clientsession(self.hass),
                 port=self.port,
                 timeout=TIMEOUT_WEBSOCKET,
             )
 
-        with contextlib.suppress(*REST_EXCEPTIONS):
-            device_info: dict[str, Any] = await rest_api.rest_device_info()
+        try:
+            device_info: dict[str, Any] = await self._rest_api.rest_device_info()
             LOGGER.debug("Device info on %s is: %s", self.host, device_info)
             self._device_info = device_info
+        except REST_EXCEPTIONS as err:
+            LOGGER.debug(
+                "Failed to load device info from %s:%s: %s",
+                self.host,
+                self.port,
+                str(err),
+            )
+        else:
             return device_info
 
         return None if force else self._device_info