Log exception when plugin load fails

cloudcontrol/node/host/__init__.py

@@ -235,7 +235,7 @@ class Handler(BasePlugin):
                         try:
                             self.plugin_install(self.main.rpc.rpc_con, None, p)
                         except Exception:
-                            logger.error('Error while loading plugin %s', p)
+                            logger.exception('Error while loading plugin %s', p)
                         else:
                             logger.debug('Successfuly loaded plugin %s', p)