On Oct 23, 2013, at 5:56 PM, Aaron Rosen <arosen at nicira.com> wrote: > I believe he's referring to: > https://github.com/openstack/nova/blob/master/nova/network/model.py#L335 > https://github.com/openstack/nova/blob/master/nova/compute/manager.py#L1211 I found some more background on the feature (not configurable) which might help in trying revert it for testing. https://blueprints.launchpad.net/nova/+spec/async-network-alloc There was also addition of config option 'network_allocate_retries' which defaults to 0: https://review.openstack.org/#/c/34473/