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[Itzik Brown <1455005@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

When updating a distributed router's gateway when one is already set
there is an error in l3 agent's log on the node where 'dvr_snat' is
running.

Cannot open network namespace "fip-dc7937bc-2627-422b-
8c71-6779aa675a81": No such file or directory

2015-05-14 11:39:15.862 21386 DEBUG neutron.agent.linux.utils [-] Running command: ['sudo', 'neutron-rootwrap', '/etc/neutron/rootwrap.conf', 'ip', 'netns', 'exec', 'fip-dc7937bc-2627-422b-8c71-6779aa675a81', 'ip', '-o', 'link', 'show', 'fpr-43e4f718-e'] create_process /usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py:84
2015-05-14 11:39:15.942 21386 DEBUG neutron.agent.linux.utils [-] 
Command: ['sudo', 'neutron-rootwrap', '/etc/neutron/rootwrap.conf', 'ip', 'netns', 'exec', 'fip-dc7937bc-2627-422b-8c71-6779aa675a81', 'ip', '-o', 'link', 'show', 'fpr-43e4f718-e']
Exit code: 1
Stdin: 
Stdout: 
Stderr: Cannot open network namespace "fip-dc7937bc-2627-422b-8c71-6779aa675a81": No such file or directory
 execute /usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py:134
2015-05-14 11:39:15.943 21386 DEBUG neutron.agent.l3.router_info [-] No Interface for floating IPs router: 43e4f718-e0fc-435a-8144-445aa54eeecc process_floating_ip_addresses /usr/lib/python2.7/site-packages/neutron/agent/l3/router_info.py:229

It seems that it's not related to just this action but also for
association of floating IP.

Version
======
python-neutron-2015.1.0-1.el7ost.noarch

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1455005

Title:
  DVR Cannot open network 'fip' namespace error when updating router's
  gateway

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  When updating a distributed router's gateway when one is already set
  there is an error in l3 agent's log on the node where 'dvr_snat' is
  running.

  Cannot open network namespace "fip-dc7937bc-2627-422b-
  8c71-6779aa675a81": No such file or directory

  2015-05-14 11:39:15.862 21386 DEBUG neutron.agent.linux.utils [-] Running command: ['sudo', 'neutron-rootwrap', '/etc/neutron/rootwrap.conf', 'ip', 'netns', 'exec', 'fip-dc7937bc-2627-422b-8c71-6779aa675a81', 'ip', '-o', 'link', 'show', 'fpr-43e4f718-e'] create_process /usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py:84
  2015-05-14 11:39:15.942 21386 DEBUG neutron.agent.linux.utils [-] 
  Command: ['sudo', 'neutron-rootwrap', '/etc/neutron/rootwrap.conf', 'ip', 'netns', 'exec', 'fip-dc7937bc-2627-422b-8c71-6779aa675a81', 'ip', '-o', 'link', 'show', 'fpr-43e4f718-e']
  Exit code: 1
  Stdin: 
  Stdout: 
  Stderr: Cannot open network namespace "fip-dc7937bc-2627-422b-8c71-6779aa675a81": No such file or directory
   execute /usr/lib/python2.7/site-packages/neutron/agent/linux/utils.py:134
  2015-05-14 11:39:15.943 21386 DEBUG neutron.agent.l3.router_info [-] No Interface for floating IPs router: 43e4f718-e0fc-435a-8144-445aa54eeecc process_floating_ip_addresses /usr/lib/python2.7/site-packages/neutron/agent/l3/router_info.py:229

  It seems that it's not related to just this action but also for
  association of floating IP.

  Version
  ======
  python-neutron-2015.1.0-1.el7ost.noarch

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