Improve readability and exception comments

Signed-off-by: Loren Eteval <loren.eteval@proton.me>

Furious/Repository/TunSettings.py

@@ -56,6 +56,8 @@ class UserTUNSettings(Mixins.CleanupOnExit, StorageBackend):
 
                 raise TypeError('TUN settings repository root must be an object')
             except Exception:
+                # Any non-exit exceptions
+
                 self._restoreFailed = True
                 logger.exception('failed to restore persisted TUN settings')