FYI: I have resolved the issue by setting lock_path parameter in neutron conf.
From: Cihangir BEŞİKTAŞ (BİLGEM) [mailto:[email protected]] Sent: Tuesday, October 25, 2016 8:17 AM To: [email protected] Subject: [Openstack] [Neutron] l3-agent error when changing external nic Hi, I got lots of the following error after changing the external network interface on Mitaka. Could you help me to solve the problem. Note: I have deleted the port of previous nic from ovs bridge br-ex, and added the new interface to the bridge. 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent [-] Failed to process compatible router 'd9a05ce5-7884-4470-9760-16168d8695fc' 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent Traceback (most recent call last): 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent File "/usr/lib/python2.7/dist-packages/neutron/agent/l3/agent.py", line 503, in _process_router_update 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent self._process_router_if_compatible(router) 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent File "/usr/lib/python2.7/dist-packages/neutron/agent/l3/agent.py", line 442, in _process_router_if_compatible 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent self._process_updated_router(router) 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent File "/usr/lib/python2.7/dist-packages/neutron/agent/l3/agent.py", line 456, in _process_updated_router 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent ri.process(self) 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent File "/usr/lib/python2.7/dist-packages/neutron/common/utils.py", line 385, in call 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent self.logger(e) 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__ 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent self.force_reraise() 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent six.reraise(self.type_, self.value, self.tb) 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent File "/usr/lib/python2.7/dist-packages/neutron/common/utils.py", line 382, in call 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent return func(*args, **kwargs) 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent File "/usr/lib/python2.7/dist-packages/neutron/agent/l3/router_info.py", line 964, in process 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent self.process_address_scope() 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent File "/usr/lib/python2.7/dist-packages/neutron/agent/l3/router_info.py", line 933, in process_address_scope 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent self.process_floating_ip_address_scope_rules() 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__ 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent self.gen.next() 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/iptables_manager.py" , line 461, in defer_apply 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent raise n_exc.IpTablesApplyException(msg) 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent IpTablesApplyException: Failure applying iptables rules 2016-10-24 16:48:12.637 36661 ERROR neutron.agent.l3.agent 2016-10-24 16:48:12.698 36661 INFO neutron.agent.linux.interface [-] Device qg-9c811eb4-e3 already exists 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager [-] Failure applying iptables rules 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager Traceback (most recent call last): 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/iptables_manager.py" , line 457, in defer_apply 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager self.defer_apply_off() 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/iptables_manager.py" , line 468, in defer_apply_off 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager self._apply() 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/iptables_manager.py" , line 481, in _apply 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager with lockutils.lock(lock_name, utils.SYNCHRONIZED_PREFIX, True): 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__ 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager return self.gen.next() 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager File "/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line 215, in lock 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager ext_lock = external_lock(name, lock_file_prefix, lock_path) 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager File "/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line 146, in external_lock 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager lock_file_path = _get_lock_path(name, lock_file_prefix, lock_path) 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager File "/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line 140, in _get_lock_path 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager raise cfg.RequiredOptError('lock_path') 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager RequiredOptError: value required for option: lock_path 2016-10-24 16:48:13.019 36661 ERROR neutron.agent.linux.iptables_manager Regards, Cihangir
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