(gvfs-mount:6738): GLib-GIO-CRITICAL **: g_simple_async_result_new: assertion `!source_object || G_IS_OBJECT (source_object)' failed

(gvfs-mount:6738): GLib-GIO-CRITICAL **: g_simple_async_result_complete: assertion `G_IS_SIMPLE_ASYNC_RESULT (simple)' failed

(gvfs-mount:6738): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed