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Openstack network error - RTNETLINK answers: File exists

asked 2016-12-08 11:01:21 -0500

vathanlal gravatar image

Hello I have an Openstack newton cluster.. I can successfully launch instance and all.. But now while launching instance it is always in spawning state and I check the /var/log/neutron/neutron-linuxbridge-agent.log and it has error like below

2016-12-08 17:49:36.302 3506 ERROR neutron.agent.linux.utils [req-ec796998-fb3f-4d56-9e8a-c60936c80d33 - - - - -] Exit code: 2; Stdin: ; Stdout: ; Stderr: RTNETLINK answers: File exists

2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent [req-ec796998-fb3f-4d56-9e8a-c60936c80d33 - - - - -] Error in agent loop. Devices info: {'current': set(['tape0a2b1a4-cd', 'tap687f2b59-cd', 'tap15bf769e-42', 'tap9a71eee4-22']), 'timestamps': {'tape0a2b1a4-cd': 44, 'tap687f2b59-cd': 48, 'tap9a71eee4-22': 42, 'tap15bf769e-42': 47}, 'removed': set([]), 'added': set(['tape0a2b1a4-cd', 'tap687f2b59-cd', 'tap15bf769e-42', 'tap9a71eee4-22']), 'updated': set([])}
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent Traceback (most recent call last):
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/agent/_common_agent.py", line 452, in daemon_loop
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent     sync = self.process_network_devices(device_info)
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent   File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 154, in wrapper
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent     return f(*args, **kwargs)
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/agent/_common_agent.py", line 209, in process_network_devices
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent     resync_a = self.treat_devices_added_updated(devices_added_updated)
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent   File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 154, in wrapper
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent     return f(*args, **kwargs)
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/agent/_common_agent.py", line 226, in treat_devices_added_updated
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent     self._process_device_if_exists(device_details)
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/agent/_common_agent.py", line 253, in _process_device_if_exists
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent     device, device_details['device_owner'])
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py", line 512, in plug_interface
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent     tap_name, device_owner)
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py", line 453, in add_tap_interface
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers.agent._common_agent     return False
2016-12-08 17:49:36.344 3506 ERROR neutron.plugins.ml2.drivers ...
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answered 2017-09-07 07:31:14 -0500

Robby gravatar image

did anyone got the solution for this? I have the simillar problem

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I solved this issue.. Its actually a neutron config issue.. I dont remember exactly what was the issue but iam sure it is related to neutron configuration..

vathanlal gravatar imagevathanlal ( 2017-11-14 05:51:25 -0500 )edit

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Asked: 2016-12-08 11:01:21 -0500

Seen: 904 times

Last updated: Sep 07 '17