Hi,

is there anything in the linuxbridge-agent logs on control and/or compute node(s)? Which neutron services don't start? Can you paste "openstack network agent list" output?

The important question is: what was the cause of "neutron stopped working" and why did you delete the existing networks? It probably would be helpful knowing the reaseon to be able to prevent such problemes in the future. Or are the provided logs from before?

We experience network/neutron troubles from time to time, and sometimes the only way to fix it is a reboot.

Regards,
Eugen


Zitat von Marcio Prado <marciopr...@marcioprado.eti.br>:

Good afternoon,

For no apparent reason my Neutron stopped working.

I deleted the networks, subnets and routers, created everything again.

But it does not work. The logs are:


2018-07-26 11:29:16.101 3272 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-9ba0ca9f-aeaf-44b2-ba24-c08556aae0ac - - - - -] Linux bridge agent Agent out of sync with plugin! 2018-07-26 11:29:16.101 3272 INFO neutron.agent.securitygroups_rpc [req-9ba0ca9f-aeaf-44b2-ba24-c08556aae0ac - - - - -] Preparing filters for devices set(['tap69feb7be-2b', 'tap0efd5228-b0', 'tap83a57ce5-a8', 'tapd50d137f-f6']) 2018-07-26 11:29:18.218 3272 INFO neutron.plugins.ml2.drivers.agent._common_agent [req-9ba0ca9f-aeaf-44b2-ba24-c08556aae0ac - - - - -] Port tap69feb7be-2b updated. Details: {u'profile': {}, u'network_qos_policy_id': None, u'qos_policy_id': None, u'allowed_address_pairs': [], u'admin_state_up': True, u'network_id': u'0f293447-ad01-465e-a034-fdaa136a4488', u'segmentation_id': None, u'device_owner': u'network:router_gateway', u'physical_network': u'provider', u'mac_address': u'fa:16:3e:a3:be:5c', u'device': u'tap69feb7be-2b', u'port_security_enabled': False, u'port_id': u'69feb7be-2b9c-4604-a078-32c984d7075a', u'fixed_ips': [{u'subnet_id': u'5ef3df97-d88a-4c60-969c-5a862f04c1e0', u'ip_address': u'192.168.0.14'}], u'network_type': u'flat'} 2018-07-26 11:29:18.871 3272 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.arp_protect [req-9ba0ca9f-aeaf-44b2-ba24-c08556aae0ac - - - - -] Skipping ARP spoofing rules for port 'tap69feb7be-2b' because it has port security disabled 2018-07-26 11:29:20.208 3272 ERROR neutron.agent.linux.utils [req-9ba0ca9f-aeaf-44b2-ba24-c08556aae0ac - - - - -] Exit code: 2; Stdin: ; Stdout: ; Stderr: RTNETLINK answers: File exists

2018-07-26 11:29:20.219 3272 ERROR neutron.plugins.ml2.drivers.agent._common_agent [req-9ba0ca9f-aeaf-44b2-ba24-c08556aae0ac - - - - -] Error in agent loop. Devices info: {'current': set(['tap69feb7be-2b', 'tap0efd5228-b0', 'tap83a57ce5-a8', 'tapd50d137f-f6']), 'timestamps': {'tap0efd5228-b0': 9, 'tap69feb7be-2b': 13, 'tap83a57ce5-a8': 10, 'tapd50d137f-f6': 8}, 'removed': set([]), 'added': set(['tap69feb7be-2b', 'tap0efd5228-b0', 'tap83a57ce5-a8', 'tapd50d137f-f6']), 'updated': set([])} 2018-07-26 11:29:20.219 3272 ERROR neutron.plugins.ml2.drivers.agent._common_agent Traceback (most recent call last): 2018-07-26 11:29:20.219 3272 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/agent/_common_agent.py", line 453, in daemon_loop 2018-07-26 11:29:20.219 3272 ERROR neutron.plugins.ml2.drivers.agent._common_agent sync = self.process_network_devices(device_info) 2018-07-26 11:29:20.219 3272 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 153, in wrapper 2018-07-26 11:29:20.219 3272 ERROR neutron.plugins.ml2.drivers.agent._common_agent return f(*args, **kwargs) 2018-07-26 11:29:20.219 3272 ERROR neutron.plugins.ml2.drivers.agent._common_agent File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/agent/_common_agent.py", line 210, in process_network_devices

Has anyone had similar experience?

--
Marcio Prado
Analista de TI - Infraestrutura e Redes
Fone: (35) 9.9821-3561
www.marcioprado.eti.br

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