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[OpenStack][Neutron] Cleanup of network namespaces not happening



I have a 3 nodes Grizzly 2013.1.1 setup and I see that the network
namespaces are not getting deleted even after the networks/subnets are
deleted. When I run 'quantum-netns-cleanup', I get the following error:

root@openstack-dev-network:~# quantum-netns-cleanup
2013-07-25 12:51:25 CRITICAL [quantum]
Command: ['sudo', 'ip', 'netns', 'exec',
'qdhcp-b9c30f80-8643-4a20-b43c-1f3d861eea63', 'ip', '-o', 'link', 'list']
Exit code: 1
Stdout: ''
Stderr: 'seting the network namespace failed: Invalid argument\n'

I see that there are number of bugs reports on this issue but non seem to
have been addressed. For example, the ones at:


I tried the patch in the first bug above and also added root_helper in
/etc/quantum/dhcp_agent.ini but to no luck.

Has anyone got this issues fixed?


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