is: {'code': 500, 'created': '2026-02-10T18:14:51Z', 'message': 'No valid host was found. ', 'details': 'Traceback (most recent call last):\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/conductor/manager.py", line 1581, in schedule_and_build_instances\n instance_uuids, return_alternates=True)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances\n return_alternates=return_alternates)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/scheduler/client/query.py", line 42, in select_destinations\n instance_uuids, return_objects, return_alternates)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations\n return cctxt.call(ctxt, \'select_destinations\', **msg_args)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_messaging/rpc/client.py", line 192, in call\n retry=self.retry, transport_options=self.transport_options)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_messaging/transport.py", line 128, in _send\n transport_options=transport_options)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 691, in send\n transport_options=transport_options)\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 681, in _send\n raise result\nnova.exception_Remote.NoValidHost_Remote: No valid host was found. \nTraceback (most recent call last):\n\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_messaging/rpc/server.py", line 241, in inner\n return func(*args, **kwargs)\n\n File "/var/lib/kolla/venv/lib/python3.6/site-packages/nova/scheduler/manager.py", line 209, in select_destinations\n raise exception.NoValidHost(reason="")\n\nnova.exception.NoValidHost: No valid host was found. \n\n'}
2026-02-10 18:20:17,577 - INFO - Deleted policy ctest-policy-allow-all-95231622
2026-02-10 18:20:17,577 - INFO - Deleting VN ctest-vn-31507802
2026-02-10 18:20:17,707 - DEBUG - Response for deleting network ()
2026-02-10 18:20:17,707 - DEBUG - Requesting: http://10.0.0.129:8082/routing-instance/1e4c96e9-85de-4a0b-b9ec-cc23aec8ef46
2026-02-10 18:20:17,738 - DEBUG - Response Code: 404
2026-02-10 18:20:17,738 - DEBUG - Requesting: http://10.0.0.129:8082/domains
2026-02-10 18:20:17,745 - DEBUG - Requesting: http://10.0.0.129:8082/domain/e57ea2d5-65ff-4fe2-a66b-03789a16f1b1
2026-02-10 18:20:17,757 - DEBUG - Requesting: http://10.0.0.129:8082/project/5f8ed90a-0a8b-4af6-b8e6-775517d6c27f
2026-02-10 18:20:17,829 - INFO - Validated that VN ctest-vn-31507802 is not found in API Server
2026-02-10 18:20:17,840 - DEBUG - VN ctest-vn-31507802 is not present in Agent 10.0.0.129
2026-02-10 18:20:17,840 - INFO - Validated that VN ctest-vn-31507802 is not in any agent
2026-02-10 18:20:17,854 - DEBUG - Control-node config DB still has VN ctest-vn-31507802
2026-02-10 18:20:22,865 - INFO - Validated that Routing instances and Config db in Control-nodes does not have VN ctest-vn-31507802 info
2026-02-10 18:20:22,865 - INFO - Deleting VN ctest-vn-01141697
2026-02-10 18:20:22,978 - DEBUG - Response for deleting network ()
2026-02-10 18:20:22,978 - DEBUG - Requesting: http://10.0.0.129:8082/routing-instance/8b2de5c0-9c42-4cc5-a3f2-f728a4e8eeeb
2026-02-10 18:20:22,983 - DEBUG - Response Code: 404
2026-02-10 18:20:22,984 - DEBUG - Requesting: http://10.0.0.129:8082/domains
2026-02-10 18:20:22,988 - DEBUG - Requesting: http://10.0.0.129:8082/domain/e57ea2d5-65ff-4fe2-a66b-03789a16f1b1
2026-02-10 18:20:23,041 - DEBUG - Requesting: http://10.0.0.129:8082/project/5f8ed90a-0a8b-4af6-b8e6-775517d6c27f
2026-02-10 18:20:23,117 - INFO - Validated that VN ctest-vn-01141697 is not found in API Server
2026-02-10 18:20:23,129 - DEBUG - VN ctest-vn-01141697 is not present in Agent 10.0.0.129
2026-02-10 18:20:23,129 - INFO - Validated that VN ctest-vn-01141697 is not in any agent
2026-02-10 18:20:23,145 - INFO - Validated that Routing instances and Config db in Control-nodes does not have VN ctest-vn-01141697 info
2026-02-10 18:20:23,395 - ERROR - Traceback (most recent call last):
File "/contrail-test/tcutils/wrappers.py", line 80, in wrapper
result = function(self, *args, **kwargs)
File "/contrail-test/scripts/policy/test_policy_basic.py", line 118, in test_basic_policy_allow_deny
assert vm1_fixture.ping_with_certainty(vm2_fixture.vm_ip), (
File "/contrail-test/fixtures/vm_test.py", line 354, in vm_ip
assert self.verify_vm_launched()
AssertionError
2026-02-10 18:20:23,404 - DEBUG - No XMPP flaps were noticed during the test
2026-02-10 18:20:23,404 - INFO -
2026-02-10 18:20:23,404 - INFO - END TEST : test_basic_policy_allow_deny : FAILED[0:05:37]
2026-02-10 18:20:23,404 - INFO - --------------------------------------------------------------------------------
2026-02-10 18:20:24,279 - INFO - Deleted project: ctest-TestBasicPolicy-85108386, ID : 5f8ed90a-0a8b-4af6-b8e6-775517d6c27f