def tearDown(self):
        super(SimpleInstanceTest, self).tearDown()
        CONF.network_label_regex = self.orig_conf
        CONF.ip_start = None
def closeCliConnectionTo(self):
        if self._connection == None:
            return
        self._exit_modes_beyond(-1)
        self.modeList = []
        self._debugLog("Exited all modes.")
        self.forceCloseCliConnectionTo()