Comment 9 for bug 1663866

Seeing on the following trace in nova compute log (This is nodea4 nova-compute log ) centos/kilo

2017-03-10 10:16:11.529 4700 TRACE nova.compute.manager [instance: 0fb023e6-d842-4a4a-9579-34483eb18ea6]
2017-03-10 10:16:23.151 4700 ERROR nova.compute.manager [-] Instance failed network setup after 1 attempt(s)
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager Traceback (most recent call last):
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1782, in _allocate_network_async
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager dhcp_options=dhcp_options)
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 411, in allocate_for_instance
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager get_client(context, admin=True))
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager File "/usr/lib/python2.7/site-packages/nova/network/neutronv2/api.py", line 205, in get_client
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager auth_token = _ADMIN_AUTH.get_token(_SESSION)
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager File "/usr/lib/python2.7/site-packages/keystoneclient/auth/identity/base.py", line 104, in get_token
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager return self.get_access(session).auth_token
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager File "/usr/lib/python2.7/site-packages/keystoneclient/auth/identity/base.py", line 144, in get_access
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager self.auth_ref = self.get_auth_ref(session)
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager File "/usr/lib/python2.7/site-packages/keystoneclient/auth/identity/v2.py", line 78, in get_auth_ref
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager authenticated=False, log=False)
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager File "/usr/lib/python2.7/site-packages/keystoneclient/session.py", line 497, in post
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager return self.request(url, 'POST', **kwargs)
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager File "/usr/lib/python2.7/site-packages/keystoneclient/utils.py", line 318, in inner
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager return func(*args, **kwargs)
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager File "/usr/lib/python2.7/site-packages/keystoneclient/session.py", line 397, in request
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager raise exceptions.from_response(resp, method, url)
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager NotFound: The resource could not be found. (HTTP 404)
2017-03-10 10:16:23.151 4700 TRACE nova.compute.manager
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