def logout_url(self, base_url):
        return url_path_join(base_url, 'logout')
Detach the gretap device and remove the bridge.
dataset/ETHPy150Open jupyterhub/jupyterhub/jupyterhub/auth.py/Authenticator.logout_url--crossover with--dataset/ETHPy150Open coreemu/core/daemon/core/netns/vnet.py/GreTapBridge.shutdown