Traceback (most recent call last):
  File "/usr/bin/jockey-gtk", line 211, in show_notification
    notify.show()
  File "/usr/lib/python2.7/dist-packages/gi/types.py", line 44, in function
    return info.invoke(*args)
GError: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.Notifications was not provided by any .service files