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Network option2 without network node

Can i choose network option 2 with just a controller and a compute node ? I try this but "ip netns" commands didn't display a router just two dhcp netwok namespaces

ip netns

qdhcp-f76c2b23-bb92-4fc3-900e-9fbcf9aea32b (id: 1)

qdhcp-e5dd6eeb-8d83-4e88-8f62-db12d097ae03 (id: 0)

Network option2 without network node

Can i choose network option 2 with just a controller and a compute node ? I try this but "ip netns" commands didn't display a router just two dhcp netwok namespaces

ip netns

qdhcp-f76c2b23-bb92-4fc3-900e-9fbcf9aea32b (id: 1)

qdhcp-e5dd6eeb-8d83-4e88-8f62-db12d097ae03 (id: 0)

nano /var/log/neutron/neutron-linuxbridge-agent.log

[req-bae0b90a-e5b9-4c36-8a90-274f38f26175 - - - - -] Linux bridge agent Agent out of sync with plugi$ 2018-11-26 11:59:09.689 22887 INFO neutron.agent.securitygroups_rpc [req-bae0b90a-e5b9-4c36-8a90-274f38f26175 - - - - -] Preparing filters for devices set(['tape7e2c85d-61', 'tap83830$ 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent [req-bae0b90a-e5b9-4c36-8a90-274f38f26175 - - - - -] Error in agent loop. Devices info: {'current':$ 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent Traceback (most recent call last): 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/agent/_common_agent.py", line $ 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent sync = self.process_network_devices(device_info) 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 158, in wrapper 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent result = f(args, *kwargs) 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/agent/_common_agent.py", line $ 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent device_info.get('updated')) 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/agent/securitygroups_rpc.py", line 250, in setup_p$ 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent self.prepare_devices_filter(new_devices) 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/agent/securitygroups_rpc.py", line 122, in decorat$ 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent args, *kwargs) 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/agent/securitygroups_rpc.py", line 130, in prepare$ 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent self._apply_port_filter(device_ids) 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/agent/securitygroups_rpc.py", line 157, in _apply_$ 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent self.firewall.process_trusted_ports(trusted_devices) 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__ 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent self.gen.next() 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/agent/firewall.py", line 140, in defer_apply 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent self.filter_defer_apply_off() 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/iptables_firewall.py", line 885, in fi$

File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/iptables_manager.py", line 440, in def$ 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent self._apply() 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/iptables_manager.py", line 456, in _ap$ 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent with lockutils.lock(lock_name, runtime.SYNCHRONIZED_PREFIX, True): 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__ 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent return self.gen.next() 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line 215, in lock 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent ext_lock = external_lock(name, lock_file_prefix, lock_path) 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line 146, in external_lock 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent lock_file_path = _get_lock_path(name, lock_file_prefix, lock_path) 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line 140, in _get_lock_path 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent raise cfg.RequiredOptError('lock_path') 2018-11-26 11:59:09.736 22887 ERROR neutron.plugins.ml2.drivers.agent._common_agent RequiredOptError: value required for option lock_path in group [DEFAULT]