So apparently this issue along with some others were caused by unstable work of rabbitmq in certain conditions in certain environment.
I don't see an issue on neutron side for now. ** Changed in: neutron Status: New => Invalid ** Changed in: neutron Assignee: Eugene Nikanorov (enikanorov) => (unassigned) -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to neutron. https://bugs.launchpad.net/bugs/1417267 Title: neutron-ovs-agent on compute couldn't create interface Status in OpenStack Neutron (virtual network service): Invalid Bug description: Steps to reproduce: 1. Create env with two powerful compute nodes and start to provision instances. 2. After 130 instance one of the compute nodes starting failing provision because of unable to create interfaces. Here is trace from logs. http://paste.openstack.org/show/164308/ 3. Restarting of agent restore functionality of compute node. 4. After some more VMs provisioned ovs-agent on another node stop working with the same symptoms. 5. Restarting of agent restore functionality of compute node. To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1417267/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp