Comment 0 for bug 1410854

When neutron configured with, in regular devstack job it Fails to create several networks in regular tempest run.

iniset /etc/neutron/neutron.conf DEFAULT api_workers 4

http://logs.openstack.org/82/140482/2/check/check-tempest-dsvm-neutron-full/95aea86/logs/screen-q-svc.txt.gz?level=AUDIT#_2015-01-14_13_56_07_268

2015-01-14 13:56:07.267 2814 WARNING neutron.plugins.ml2.drivers.helpers [req-f6402b6d-de49-4675-a766-b45a6bc99061 None] Allocate vxlan segment from pool failed after 10 failed attempts
2015-01-14 13:56:07.268 2814 ERROR neutron.api.v2.resource [req-f6402b6d-de49-4675-a766-b45a6bc99061 None] create failed
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource Traceback (most recent call last):
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource File "/opt/stack/new/neutron/neutron/api/v2/resource.py", line 83, in resource
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource result = method(request=request, **args)
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource File "/opt/stack/new/neutron/neutron/api/v2/base.py", line 451, in create
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource obj = obj_creator(request.context, **kwargs)
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource File "/opt/stack/new/neutron/neutron/plugins/ml2/plugin.py", line 502, in create_network
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource tenant_id)
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource File "/opt/stack/new/neutron/neutron/plugins/ml2/managers.py", line 161, in create_network_segments
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource segment = self.allocate_tenant_segment(session)
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource File "/opt/stack/new/neutron/neutron/plugins/ml2/managers.py", line 190, in allocate_tenant_segment
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource segment = driver.obj.allocate_tenant_segment(session)
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource File "/opt/stack/new/neutron/neutron/plugins/ml2/drivers/type_tunnel.py", line 150, in allocate_tenant_segment
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource alloc = self.allocate_partially_specified_segment(session)
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource File "/opt/stack/new/neutron/neutron/plugins/ml2/drivers/helpers.py", line 144, in allocate_partially_specified_segment
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource raise exc.NoNetworkFoundInMaximumAllowedAttempts()
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource NoNetworkFoundInMaximumAllowedAttempts: Unable to create the network. No available network found in maximum allowed attempts.
2015-01-14 13:56:07.268 2814 TRACE neutron.api.v2.resource