$ gnome-network-properties
cb_make_system_default
reseting proxy http
reset_proxy() returned: 166598516
Error: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
reseting proxy ftp
reset_proxy() returned: 166598516
Error: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
reseting proxy https
reset_proxy() returned: 166598516
Caught remote method exception org.freedesktop.DBus.Python.IOError: Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.6/dbus/service.py", line 702, in _message_cb
    retval = candidate_method(self, *args, **keywords)
  File "/usr/lib/system-service/system-service-d", line 282, in set_proxy
    res = self._clear_apt_proxy(proxy_type)
  File "/usr/lib/system-service/system-service-d", line 246, in _clear_apt_proxy
    for line in open(f):
IOError: [Errno 2] No such file or directory: '/etc/apt/apt.conf'
set_set_to_system_gconf_helper
Caught remote method exception org.gnome.GConf.Defaults.NotPrivileged: Not Authorizedcheck_do_system_wide
  system wide HTTP: 
  system wide HTTPS: 
  system wide FTP: 
  no user HTTP
  no user FTP
  no user HTTPS