Traceback (most recent call last):
  File "/var/lib/python-support/python2.5/dbus/proxies.py", line 56, in __call__
    self._on_reply(*message.get_args_list(**self._get_args_options))
  File "/usr/bin/service-discovery-applet", line 274, in service_resolved
    self.plugin.plugins[type][0].connect(self.use_host_names, name, type, host, address, port, txts)
KeyError: dbus.String(u'_workstation._tcp')