Comment 8 for bug 1447704

Unfortunately, removing the '/v3' string from OS_AUTH_URL didn't help (I'm running with keystone v3 not v2.0):

2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions [req-656f8977-9450-4fe1-8383-4505d6d39123 8e7e4050ae724f02ae0b1bfc473a3b66 2c53928125d844eab95f474de73bac21 - - -] Unexpected exception in API method
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions Traceback (most recent call last):
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/nova/api/openstack/extensions.py", line 478, in wrapped
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions return f(*args, **kwargs)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/nova/api/validation/__init__.py", line 73, in wrapper
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions return func(*args, **kwargs)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/nova/api/validation/__init__.py", line 73, in wrapper
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions return func(*args, **kwargs)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/servers.py", line 611, in create
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions **create_kwargs)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/nova/hooks.py", line 149, in inner
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions rv = f(*args, **kwargs)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/nova/compute/api.py", line 1581, in create
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions check_server_group_quota=check_server_group_quota)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/nova/compute/api.py", line 1181, in _create_instance
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions auto_disk_config, reservation_id, max_count)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/nova/compute/api.py", line 955, in _validate_and_build_base_options
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions pci_request_info, requested_networks)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 1059, in create_pci_requests_for_sriov_ports
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions neutron = get_client(context, admin=True)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 237, in get_client
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions auth_token = _ADMIN_AUTH.get_token(_SESSION)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/keystoneclient/auth/identity/base.py", line 200, in get_token
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions return self.get_access(session).auth_token
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/keystoneclient/auth/identity/base.py", line 240, in get_access
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions self.auth_ref = self.get_auth_ref(session)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/keystoneclient/auth/identity/generic/base.py", line 184, in get_auth_ref
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions self._plugin = self._do_create_plugin(session)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions File "/usr/lib/python2.7/dist-packages/keystoneclient/auth/identity/generic/base.py", line 180, in _do_create_plugin
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions raise exceptions.DiscoveryFailure(msg)
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions DiscoveryFailure: Could not determine a suitable URL for the plugin
2015-11-27 02:24:48.321 1579 ERROR nova.api.openstack.extensions
2015-11-27 02:24:48.325 1579 INFO nova.api.openstack.wsgi [req-656f8977-9450-4fe1-8383-4505d6d39123 8e7e4050ae724f02ae0b1bfc473a3b66 2c53928125d844eab95f474de73bac21 - - -] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.