Issue

• The utility system-config-services crashed with an abrt report as follows.

backtrace:
:polkit.py:242:__determine_polkit_version:VersionError: Cannot determine valid PolicyKit version.
:
:Traceback (most recent call last):
:  File "/usr/sbin/system-config-services", line 1040, in <module>
:    GUI(use_dbus=use_dbus).run()
:  File "/usr/sbin/system-config-services", line 958, in __init__
:    if slip.dbus.polkit.AreAuthorizationsObtainable(self.polkit_actions):
:  File "/usr/lib/python2.6/site-packages/slip/dbus/polkit.py", line 406, in AreAuthorizationsObtainable
:    return __polkit.AreAuthorizationsObtainable(authorizations)
:  File "/usr/lib/python2.6/site-packages/slip/dbus/polkit.py", line 303, in AreAuthorizationsObtainable
:    if not self._polkitd_interface():
:  File "/usr/lib/python2.6/site-packages/slip/dbus/polkit.py", line 259, in _polkitd_interface
:    PolKit.__determine_polkit_version()
:  File "/usr/lib/python2.6/site-packages/slip/dbus/polkit.py", line 242, in __determine_polkit_version
:    raise VersionError("Cannot determine valid PolicyKit version.")
:VersionError: Cannot determine valid PolicyKit version.