def refresh(self, button=None):
     log( 'Refreshing...')
     ui = dbus_ifaces['interface'].GetInterfaceData('wired1', 'user_interface')
     cbh = CallbackProxy('wired1')
     gtkinterface, controls = simpleinterface.generate_interface(ui, cbh)
     cbh.controls = controls
     log( gtkinterface)
     self.network_list.pack_start(gtkinterface.control)
     self.network_list.show_all()