Comment 10 for bug 1540645

You're right Dr. Jens Harbott, thank you. I set the network values as you suggested and I was able reproduce the issue on the second run.

{0} tempest.api.compute.servers.test_list_server_filters.ListServerFiltersTestJSON.test_list_servers_filtered_by_ip_regex [0.712201s] ... FAILED

Captured traceback:
~~~~~~~~~~~~~~~~~~~
    Traceback (most recent call last):

      File "/home/stack/tempest/tempest/api/compute/servers/test_list_server_filters.py", line 312, in test_list_servers_filtered_by_ip_regex
    (self.s2_name, servers, all_servers))

      File "/home/stack/tempest/.tox/py36/lib/python3.6/site-packages/testtools/testcase.py", line 421, in assertIn
    self.assertThat(haystack, Contains(needle), message)

      File "/home/stack/tempest/.tox/py36/lib/python3.6/site-packages/testtools/testcase.py", line 502, in assertThat
    raise mismatch_error

    testtools.matchers._impl.MismatchError: 'tempest-ListServerFiltersTestJSON-instance-1400666750' not in <map object at 0x7f98f7c19cf8>: tempest-ListServerFiltersTestJSON-instance-1400666750 not found in [{'id': '9159497a-50e9-4006-a854-1dd97cd76b1f', 'name': 'tempest-ListServerFiltersTestJSON-instance-348922714', 'links': [{'rel': 'self', 'href': 'http://10.0.0.145:8774/v2.1/servers/9159497a-50e9-4006-a854-1dd97cd76b1f'}, {'rel': 'bookmark', 'href': 'http://10.0.0.145:8774/servers/9159497a-50e9-4006-a854-1dd97cd76b1f'}]}], all servers response: {'date': 'Tue, 23 Jun 2020 08:11:20 GMT', 'server': 'Apache', 'content-length': '4652', 'openstack-api-version': 'compute 2.1', 'x-openstack-nova-api-version': '2.1', 'vary': 'OpenStack-API-Version,X-OpenStack-Nova-API-Version,Accept-Encoding', 'x-openstack-request-id': 'req-e04652e6-b382-48a0-a154-801a68d6c6a7', 'x-compute-request-id': 'req-e04652e6-b382-48a0-a154-801a68d6c6a7', 'connection': 'close', 'content-type': 'application/json', 'status': '200', 'content-location': 'http://10.0.0.145:8774/v2.1/servers/detail'}
Body: {'servers': [{'id': '6f7a59cb-2d21-45c1-bc04-c6ff72fbfe5c', 'name': 'tempest-ListServerFiltersTestJSON-instance-1739922658', 'status': 'ACTIVE', 'tenant_id': 'eb9df7d40dd3498badc2f5f41b0b3414', 'user_id': 'e4c927333433407d96feaa401ec8dfef', 'metadata': {}, 'hostId': 'fc3705f3c79aee895d127ecdbeb0e81af6429ad642c16961e6f60a67', 'image': {'id': 'cbc5f817-eea2-43de-b3be-b350b7101038', 'links': [{'rel': 'bookmark', 'href': 'http://10.0.0.145:8774/images/cbc5f817-eea2-43de-b3be-b350b7101038'}]}, 'flavor': {'id': '62825840-ccf1-41b6-9887-8b91602f9f4b', 'links': [{'rel': 'bookmark', 'href': 'http://10.0.0.145:8774/flavors/62825840-ccf1-41b6-9887-8b91602f9f4b'}]}, 'created': '2020-06-23T08:11:10Z', 'updated': '2020-06-23T08:11:19Z', 'addresses': {'tempest-ListServerFiltersTestJSON-742853868-network': [{'version': 4, 'addr': '10.0.2.208', 'OS-EXT-IPS:type': 'fixed', 'OS-EXT-IPS-MAC:mac_addr': 'fa:16:3e:76:36:30'}]}, 'accessIPv4': '', 'accessIPv6': '', 'links': [{'rel': 'self', 'href': 'http://10.0.0.145:8774/v2.1/servers/6f7a59cb-2d21-45c1-bc04-c6ff72fbfe5c'}, {'rel': 'bookmark', 'href': 'http://10.0.0.145:8774/servers/6f7a59cb-2d21-45c1-bc04-c6ff72fbfe5c'}], 'OS-DCF:diskConfig': 'MANUAL', 'progress': 0, 'OS-EXT-AZ:availability_zone': 'nova', 'config_drive': '', 'key_name': None, 'OS-SRV-USG:launched_at': '2020-06-23T08:11:18.000000', 'OS-SRV-USG:terminated_at': None, 'OS-EXT-STS:task_state': None, 'OS-EXT-STS:vm_state': 'active', 'OS-EXT-STS:power_state': 1, 'os-extended-volumes:volumes_attached': [], 'security_groups': [{'name': 'default'}]}, {'id': '5c591bc2-5f0c-40dc-a835-b0961ebcb7c5', 'name': 'tempest-ListServerFiltersTestJSON-instance-1400666750', 'status': 'ACTIVE', 'tenant_id': 'eb9df7d40dd3498badc2f5f41b0b3414', 'user_id': 'e4c927333433407d96feaa401ec8dfef', 'metadata': {}, 'hostId': 'c5584e4f9565a09a9508688321972a46079253e018b868fc0c092e7a', 'image': {'id': 'db486d3f-a0e6-42f0-b792-82e85fc95001', 'links': [{'rel': 'bookmark', 'href': 'http://10.0.0.145:8774/images/db486d3f-a0e6-42f0-b792-82e85fc95001'}]}, 'flavor': {'id': '294c7f6f-a123-44f4-86fa-6e8ebc5b4d9c', 'links': [{'rel': 'bookmark', 'href': 'http://10.0.0.145:8774/flavors/294c7f6f-a123-44f4-86fa-6e8ebc5b4d9c'}]}, 'created': '2020-06-23T08:11:09Z', 'updated': '2020-06-23T08:11:16Z', 'addresses': {'tempest-ListServerFiltersTestJSON-742853868-network': [{'version': 4, 'addr': '10.0.3.71', 'OS-EXT-IPS:type': 'fixed', 'OS-EXT-IPS-MAC:mac_addr': 'fa:16:3e:d0:ba:d4'}]}, 'accessIPv4': '', 'accessIPv6': '', 'links': [{'rel': 'self', 'href': 'http://10.0.0.145:8774/v2.1/servers/5c591bc2-5f0c-40dc-a835-b0961ebcb7c5'}, {'rel': 'bookmark', 'href': 'http://10.0.0.145:8774/servers/5c591bc2-5f0c-40dc-a835-b0961ebcb7c5'}], 'OS-DCF:diskConfig': 'MANUAL', 'progress': 0, 'OS-EXT-AZ:availability_zone': 'nova', 'config_drive': '', 'key_name': None, 'OS-SRV-USG:launched_at': '2020-06-23T08:11:16.000000', 'OS-SRV-USG:terminated_at': None, 'OS-EXT-STS:task_state': None, 'OS-EXT-STS:vm_state': 'active', 'OS-EXT-STS:power_state': 1, 'os-extended-volumes:volumes_attached': [], 'security_groups': [{'name': 'default'}]}, {'id': '9159497a-50e9-4006-a854-1dd97cd76b1f', 'name': 'tempest-ListServerFiltersTestJSON-instance-348922714', 'status': 'ACTIVE', 'tenant_id': 'eb9df7d40dd3498badc2f5f41b0b3414', 'user_id': 'e4c927333433407d96feaa401ec8dfef', 'metadata': {}, 'hostId': 'fc3705f3c79aee895d127ecdbeb0e81af6429ad642c16961e6f60a67', 'image': {'id': 'cbc5f817-eea2-43de-b3be-b350b7101038', 'links': [{'rel': 'bookmark', 'href': 'http://10.0.0.145:8774/images/cbc5f817-eea2-43de-b3be-b350b7101038'}]}, 'flavor': {'id': '294c7f6f-a123-44f4-86fa-6e8ebc5b4d9c', 'links': [{'rel': 'bookmark', 'href': 'http://10.0.0.145:8774/flavors/294c7f6f-a123-44f4-86fa-6e8ebc5b4d9c'}]}, 'created': '2020-06-23T08:11:07Z', 'updated': '2020-06-23T08:11:14Z', 'addresses': {'tempest-ListServerFiltersTestJSON-742853868-network': [{'version': 4, 'addr': '10.0.1.247', 'OS-EXT-IPS:type': 'fixed', 'OS-EXT-IPS-MAC:mac_addr': 'fa:16:3e:b0:56:98'}]}, 'accessIPv4': '', 'accessIPv6': '', 'links': [{'rel': 'self', 'href': 'http://10.0.0.145:8774/v2.1/servers/9159497a-50e9-4006-a854-1dd97cd76b1f'}, {'rel': 'bookmark', 'href': 'http://10.0.0.145:8774/servers/9159497a-50e9-4006-a854-1dd97cd76b1f'}], 'OS-DCF:diskConfig': 'MANUAL', 'progress': 0, 'OS-EXT-AZ:availability_zone': 'nova', 'config_drive': '', 'key_name': None, 'OS-SRV-USG:launched_at': '2020-06-23T08:11:14.000000', 'OS-SRV-USG:terminated_at': None, 'OS-EXT-STS:task_state': None, 'OS-EXT-STS:vm_state': 'active', 'OS-EXT-STS:power_state': 1, 'os-extended-volumes:volumes_attached': [], 'security_groups': [{'name': 'default'}]}]}