tempest test test_create_update_delete_port and test_create_list_update_show_delete_security_group fails at times

3.0 mainline Ubuntu 12.04.4

During CI, it was seen that test test_create_update_delete_port fails sometimes.
It is seen that the updated display_name is not reflected.

(Pdb) l 60
 55 def test_create_update_delete_port(self):
 56 # Verify port creation
 57 resp, body = self.client.create_port(network_id=self.network['id'])
 58 self.assertEqual('201', resp['status'])
 59 port = body['port']
 60 # Schedule port deletion with verification upon test completion
 61 self.addCleanup(self._delete_port, port['id'])
 62 self.assertTrue(port['admin_state_up'])
 63 # Verify port update
 64 new_name = "New_Port"
 65 resp, body = self.client.update_port(
(Pdb) l
 66 port['id'],
 67 name=new_name,
 68 admin_state_up=False)
 69 self.assertEqual('200', resp['status'])
 70 updated_port = body['port']
 71 if updated_port['name'] != new_name:
 72 import pdb; pdb.set_trace()
 73 -> self.assertEqual(updated_port['name'], new_name)
 74 self.assertFalse(updated_port['admin_state_up'])
 75
 76 @test.attr(type='smoke')
(Pdb) print port['id']
a193801f-d5dd-452e-8443-5d35a6075a21
(Pdb)
(Pdb) print updated_port
{u'status': u'DOWN', u'name': u'a193801f-d5dd-452e-8443-5d35a6075a21', u'admin_state_up': True, u'network_id': u'd2769e1a-297c-4716-8bdd-dc11289aa06a', u'tenant_id': u'2e1f4eb6d8964c8d9f5ed0386015d87b', u'device_owner': u'', u'mac_address': u'02:a1:93:80:1f:d5', u'fixed_ips': [], u'id': u'a193801f-d5dd-452e-8443-5d35a6075a21', u'security_groups': [u'9ce0579e-d366-4779-8547-3c3a85b6f1cf'], u'device_id': u''}
(Pdb) print new_name
New_Port
(Pdb)

From contrail-logs, it is seen that after the contrail-api updates the name to "New_Port", contrail-schema overwrote this immediately.

2015 Jul 15 03:11:01.866126 ci-oc-subslave-ubuntu-10-84-58-39-1.localdomain.com [Config:contrail-api:0:__default__][SYS_INFO] : VncApiConfigLog:3776 [VncApiCommon: identifier_uuid = a193801f-d5dd-452e-8443-5d35a6075a21, object_type = virtual_machine_interface, identifier_name = default-domain:PortsTestJSON-2090200502:a193801f-d5dd-452e-8443-5d35a6075a21, url = http://127.0.0.1:9100/virtual-machine-interface/a193801f-d5dd-452e-8443-5d35a6075a21, operation = put, useragent = ci-oc-subslave-ubuntu-10-84-58-39-1.localdomain.com:/usr/bin/contrail-api, remote_ip = 127.0.0.1:9100, body = {u'virtual-machine-interface': {u'id_perms': {u'enable': False, u'uuid': {u'uuid_mslong': 11642790335903253806L, u'uuid_lslong': 9530563721446251041L}, u'creator': None, u'created': u'2015-07-15T10:11:01.630905', u'user_visible': True, u'last_modified': u'2015-07-15T10:11:01.630905', u'permissions': {u'owner': u'neutron', u'owner_access': 7, u'other_access': 7, u'group': u'_member_', u'group_access': 7}, u'description': None}, u'display_name': u'New_Port', u'uuid': u'a193801f-d5dd-452e-8443-5d35a6075a21'}}, domain = default-domain, project = service, user = neutron]
2015 Jul 15 03:11:01.879841 ci-oc-subslave-ubuntu-10-84-58-39-1.localdomain.com [Config:contrail-api:0:__default__][SYS_INFO] : VncApiConfigLog:3777 [VncApiCommon: identifier_uuid = a193801f-d5dd-452e-8443-5d35a6075a21, object_type = virtual_machine_interface, identifier_name = default-domain:PortsTestJSON-2090200502:a193801f-d5dd-452e-8443-5d35a6075a21, url = http://192.168.0.15:8082/virtual-machine-interface/a193801f-d5dd-452e-8443-5d35a6075a21, operation = put, useragent = ci-oc-subslave-ubuntu-10-84-58-39-1.localdomain.com:/usr/bin/contrail-schema, remote_ip = 192.168.0.15:8082, body = {u'virtual-machine-interface': {u'fq_name': [u'default-domain', u'PortsTestJSON-2090200502', u'a193801f-d5dd-452e-8443-5d35a6075a21'], u'uuid': u'a193801f-d5dd-452e-8443-5d35a6075a21', u'parent_type': u'project', u'id_perms': {u'enable': True, u'uuid': {u'uuid_mslong': 11642790335903253806L, u'uuid_lslong': 9530563721446251041L}, u'creator': None, u'created': u'2015-07-15T10:11:01.630905', u'user_visible': True, u'last_modified': u'2015-07-15T10:11:01.630905', u'permissions': {u'owner': u'neutron', u'owner_access': 7, u'other_access': 7, u'group': u'_member_', u'group_access': 7}, u'description': None}, u'virtual_machine_interface_device_owner': u'', u'display_name': u'a193801f-d5dd-452e-8443-5d35a6075a21', u'virtual_machine_interface_mac_addresses': {u'mac_address': [u'02:a1:93:80:1f:d5']}}}, domain = default-domain, project = admin, user = admin]

Full contrail logs is attached