Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py", line 1215, in on_next_clicked
    self.dbfilter.ok_handler()
  File "/usr/lib/ubiquity/plugins/ubi-prepare.py", line 349, in ok_handler
    i.shutdown()
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 68, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/proxies.py", line 143, in __call__
    **keywords)
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 630, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name :1.64 was not provided by any .service files