ML2 returns an invalid VUF type:

2013-10-24 13:54:39.818 2507 DEBUG amqp [-] using channel_id: 1 __init__ /usr/local/lib/python2.7/dist-packages/amqp/channel.py:71
2013-10-24 13:54:39.818 2507 DEBUG amqp [-] Channel open _open_ok /usr/local/lib/python2.7/dist-packages/amqp/channel.py:429
2013-10-24 13:54:40.465 2507 DEBUG neutron.openstack.common.rpc.amqp [-] received {u'_context_roles': [u'admin'], u'_msg_id': u'dae0d2c2c71c4e0c96f029ea4cd61431', u'_context_read_deleted': u'no', u'_reply_q': u'reply_5b9f8ea5199a44b09b37f73f7d526862', u'_context_tenant_id': None, u'args': {u'host': u'devstack-precise-hpcloud-az2-604954', u'router_ids': None}, u'namespace': None, u'_unique_id': u'5b0bc46ec657447ea6e3ad6929023dda', u'_context_is_admin': True, u'version': u'1.0', u'_context_project_id': None, u'_context_timestamp': u'2013-10-24 13:54:40.462146', u'_context_user_id': None, u'method': u'sync_routers'} _safe_log /opt/stack/new/neutron/neutron/openstack/common/rpc/common.py:276
2013-10-24 13:54:40.466 2507 DEBUG neutron.openstack.common.rpc.amqp [-] unpacked context: {'user_id': None, 'roles': [u'admin'], 'tenant_id': None, 'is_admin': True, 'timestamp': u'2013-10-24 13:54:40.462146', 'project_id': None, 'read_deleted': u'no'} _safe_log /opt/stack/new/neutron/neutron/openstack/common/rpc/common.py:276
2013-10-24 13:54:40.514 2507 DEBUG neutron.openstack.common.rpc.amqp [-] received {u'_context_roles': [u'admin'], u'_msg_id': u'5c9a0a48c86843e78aaf4d933a84bfe2', u'_context_read_deleted': u'no', u'_reply_q': u'reply_31ffaf94bfb8479193dc79ba87a2e593', u'_context_tenant_id': None, u'args': {u'device': u'a50f879f-daf8-4fe1-896f-01fa50e44631', u'agent_id': u'ovse6aec7996c40'}, u'namespace': None, u'_unique_id': u'6e8309527d65440d99664222ee7dd14b', u'_context_is_admin': True, u'version': u'1.1', u'_context_project_id': None, u'_context_timestamp': u'2013-10-24 13:54:37.631879', u'_context_user_id': None, u'method': u'get_device_details'} _safe_log /opt/stack/new/neutron/neutron/openstack/common/rpc/common.py:276
2013-10-24 13:54:40.514 2507 DEBUG neutron.openstack.common.rpc.amqp [-] unpacked context: {'user_id': None, 'roles': [u'admin'], 'tenant_id': None, 'is_admin': True, 'timestamp': u'2013-10-24 13:54:37.631879', 'project_id': None, 'read_deleted': u'no'} _safe_log /opt/stack/new/neutron/neutron/openstack/common/rpc/common.py:276
2013-10-24 13:54:40.515 2507 DEBUG neutron.db.l3_rpc_base [-] Checking router: a5ba89d8-af0e-4de1-af94-2f299cdd6200 for host: devstack-precise-hpcloud-az2-604954 _ensure_host_set_on_ports /opt/stack/new/neutron/neutron/db/l3_rpc_base.py:70
2013-10-24 13:54:40.534 2507 DEBUG neutron.plugins.ml2.managers [-] Attempting to bind port db786ea8-ef93-4f5a-8e0e-862b2299f605 on host devstack-precise-hpcloud-az2-604954 bind_port /opt/stack/new/neutron/neutron/plugins/ml2/managers.py:440
2013-10-24 13:54:40.534 2507 DEBUG neutron.plugins.ml2.drivers.mech_agent [-] Attempting to bind port db786ea8-ef93-4f5a-8e0e-862b2299f605 on network c117c209-dc08-46ef-b1ff-9a907572a31f bind_port /opt/stack/new/neutron/neutron/plugins/ml2/drivers/mech_agent.py:57
2013-10-24 13:54:40.537 2507 DEBUG neutron.plugins.ml2.drivers.mech_agent [-] Checking agent: {'binary': u'neutron-openvswitch-agent', 'description': None, 'admin_state_up': True, 'heartbeat_timestamp': datetime.datetime(2013, 10, 24, 13, 54, 38), 'alive': True, 'topic': u'N/A', 'host': u'devstack-precise-hpcloud-az2-604954', 'agent_type': u'Open vSwitch agent', 'created_at': datetime.datetime(2013, 10, 24, 13, 54, 38), 'started_at': datetime.datetime(2013, 10, 24, 13, 54, 38), 'id': u'b69e5ca2-e0cd-4364-b22b-5bc81162eacf', 'configurations': {u'tunnel_types': [], u'tunneling_ip': u'10.7.249.221', u'bridge_mappings': {}, u'l2_population': False, u'devices': 0}} bind_port /opt/stack/new/neutron/neutron/plugins/ml2/drivers/mech_agent.py:59
2013-10-24 13:54:40.537 2507 DEBUG neutron.plugins.ml2.drivers.mech_openvswitch [-] Checking segment: {'segmentation_id': None, 'physical_network': None, 'id': u'610be237-d9ae-493c-9e2d-1bcb10c1cae1', 'network_type': u'local'} for mappings: {} with tunnel_types: [] check_segment_for_agent /opt/stack/new/neutron/neutron/plugins/ml2/drivers/mech_openvswitch.py:48
2013-10-24 13:54:40.537 2507 DEBUG neutron.plugins.ml2.drivers.mech_agent [-] Bound using segment: {'segmentation_id': None, 'physical_network': None, 'id': u'610be237-d9ae-493c-9e2d-1bcb10c1cae1', 'network_type': u'local'} bind_port /opt/stack/new/neutron/neutron/plugins/ml2/drivers/mech_agent.py:66
2013-10-24 13:54:40.537 2507 DEBUG neutron.plugins.ml2.managers [-] Bound port: db786ea8-ef93-4f5a-8e0e-862b2299f605, host: devstack-precise-hpcloud-az2-604954, driver: openvswitch, vif_type: ovs, cap_port_filter: True, segment: 610be237-d9ae-493c-9e2d-1bcb10c1cae1 bind_port /opt/stack/new/neutron/neutron/plugins/ml2/managers.py:455
2013-10-24 13:54:40.540 2507 DEBUG neutron.plugins.ml2.rpc [-] Device a50f879f-daf8-4fe1-896f-01fa50e44631 details requested by agent ovse6aec7996c40 get_device_details /opt/stack/new/neutron/neutron/plugins/ml2/rpc.py:88
2013-10-24 13:54:40.551 2507 WARNING neutron.plugins.ml2.rpc [-] Device a50f879f-daf8-4fe1-896f-01fa50e44631 requested by agent ovse6aec7996c40 on network aa0f00a7-a77f-41c5-a150-291275593282 not bound, vif_type: binding_failed