+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-02-19 19:33:42.078 1 INFO nova.utils [None req-cf228e75-e740-44bb-b247-c7ad1cca8864 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-02-19 19:33:42.177 1 INFO oslo_service.backend._eventlet.service [None req-cf228e75-e740-44bb-b247-c7ad1cca8864 - - - - - -] Starting 2 workers
2026-02-19 19:33:42.185 7 INFO nova.service [-] Starting conductor node (version 32.1.0)
2026-02-19 19:33:42.185 8 INFO nova.service [-] Starting conductor node (version 32.1.0)
2026-02-19 19:33:42.188 1 WARNING oslo_config.cfg [None req-cf228e75-e740-44bb-b247-c7ad1cca8864 - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-02-19 19:51:29.275 7 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 1.87 sec
2026-02-19 19:51:59.980 7 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 0.70 sec
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager [None req-bd4dc44d-e7bb-4649-9348-920b2f8d557f 74d8936a2ae744529df5b2aacf5d3d56 8017868430234ad2be7b6f393b8c973d - - default default] Failed to schedule instances: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 1654, in schedule_and_build_instances
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 180, in call
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager     result = self.transport._send(
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 800, in send
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 792, in _send
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager     raise result
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager 
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager 
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager 
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager 
2026-02-19 20:12:23.327 8 ERROR nova.conductor.manager 
2026-02-19 20:12:23.513 8 WARNING nova.scheduler.utils [None req-bd4dc44d-e7bb-4649-9348-920b2f8d557f 74d8936a2ae744529df5b2aacf5d3d56 8017868430234ad2be7b6f393b8c973d - - default default] Failed to compute_task_build_instances: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found. 
: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:23.515 8 WARNING nova.scheduler.utils [None req-bd4dc44d-e7bb-4649-9348-920b2f8d557f 74d8936a2ae744529df5b2aacf5d3d56 8017868430234ad2be7b6f393b8c973d - - default default] [instance: d14beda8-2665-45e9-babe-7a68f246047f] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:23.558 8 WARNING oslo_config.cfg [None req-bd4dc44d-e7bb-4649-9348-920b2f8d557f 74d8936a2ae744529df5b2aacf5d3d56 8017868430234ad2be7b6f393b8c973d - - default default] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager [None req-f5c8239b-ccdf-4733-ad17-fb4e78ef4e5b 7f7b8144a0f640ca8c76007076b05e3c 3a4da935d6054999a6f07988f30a183d - - default default] Failed to schedule instances: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 1654, in schedule_and_build_instances
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 180, in call
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager     result = self.transport._send(
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 800, in send
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 792, in _send
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager     raise result
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager 
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager 
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager 
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager 
2026-02-19 20:12:26.943 7 ERROR nova.conductor.manager 
2026-02-19 20:12:27.118 7 WARNING nova.scheduler.utils [None req-f5c8239b-ccdf-4733-ad17-fb4e78ef4e5b 7f7b8144a0f640ca8c76007076b05e3c 3a4da935d6054999a6f07988f30a183d - - default default] Failed to compute_task_build_instances: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found. 
: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:27.120 7 WARNING nova.scheduler.utils [None req-f5c8239b-ccdf-4733-ad17-fb4e78ef4e5b 7f7b8144a0f640ca8c76007076b05e3c 3a4da935d6054999a6f07988f30a183d - - default default] [instance: 61d7ec3c-2b74-4937-b2d6-84c6eef67d20] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:27.156 7 WARNING oslo_config.cfg [None req-f5c8239b-ccdf-4733-ad17-fb4e78ef4e5b 7f7b8144a0f640ca8c76007076b05e3c 3a4da935d6054999a6f07988f30a183d - - default default] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager [None req-09d26330-6458-4f79-bd54-3af7d4cb9d24 663d0b70eabb44c2883dd9839d0772cc 9e3835244c8f49c58290c23679acce80 - - default default] Failed to schedule instances: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 1654, in schedule_and_build_instances
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 180, in call
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager     result = self.transport._send(
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 800, in send
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 792, in _send
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager     raise result
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager 
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager 
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager 
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager 
2026-02-19 20:12:41.809 8 ERROR nova.conductor.manager 
2026-02-19 20:12:41.931 8 WARNING nova.scheduler.utils [None req-09d26330-6458-4f79-bd54-3af7d4cb9d24 663d0b70eabb44c2883dd9839d0772cc 9e3835244c8f49c58290c23679acce80 - - default default] Failed to compute_task_build_instances: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found. 
: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:41.932 8 WARNING nova.scheduler.utils [None req-09d26330-6458-4f79-bd54-3af7d4cb9d24 663d0b70eabb44c2883dd9839d0772cc 9e3835244c8f49c58290c23679acce80 - - default default] [instance: 0fd1f775-a1d4-4313-acb6-21ab3a065612] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager [None req-5816f92d-1207-434c-bc13-6737f609cd62 a1ae63f0ec144b64a5b0e8cf89c46805 962a946ff27e417790c74f41c7da364b - - default default] Failed to schedule instances: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 1654, in schedule_and_build_instances
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 180, in call
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager     result = self.transport._send(
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 800, in send
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 792, in _send
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager     raise result
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager 
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager 
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager 
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager 
2026-02-19 20:12:43.267 7 ERROR nova.conductor.manager 
2026-02-19 20:12:43.407 7 WARNING nova.scheduler.utils [None req-5816f92d-1207-434c-bc13-6737f609cd62 a1ae63f0ec144b64a5b0e8cf89c46805 962a946ff27e417790c74f41c7da364b - - default default] Failed to compute_task_build_instances: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found. 
: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:43.408 7 WARNING nova.scheduler.utils [None req-5816f92d-1207-434c-bc13-6737f609cd62 a1ae63f0ec144b64a5b0e8cf89c46805 962a946ff27e417790c74f41c7da364b - - default default] [instance: 7fada595-425f-4eb7-b05d-0d7320b01ac4] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager [None req-ca58442d-9d9a-4f89-8998-441ae1247eeb e033f7a1e49b405a8138f4c77fba659b a82f82965e2a4e1f97bc8dd04e4bcf8c - - default default] Failed to schedule instances: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 1654, in schedule_and_build_instances
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 180, in call
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager     result = self.transport._send(
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 800, in send
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 792, in _send
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager     raise result
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager 
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager 
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager 
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager 
2026-02-19 20:12:54.632 8 ERROR nova.conductor.manager 
2026-02-19 20:12:54.815 8 WARNING nova.scheduler.utils [None req-ca58442d-9d9a-4f89-8998-441ae1247eeb e033f7a1e49b405a8138f4c77fba659b a82f82965e2a4e1f97bc8dd04e4bcf8c - - default default] Failed to compute_task_build_instances: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found. 
: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:54.817 8 WARNING nova.scheduler.utils [None req-ca58442d-9d9a-4f89-8998-441ae1247eeb e033f7a1e49b405a8138f4c77fba659b a82f82965e2a4e1f97bc8dd04e4bcf8c - - default default] [instance: b9c9465b-239a-4acb-a668-590735057351] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager [None req-3fd04103-1e8d-4b54-baca-9b17ba65d740 bb80dc7d181d4660a4faa2f20ce01778 dcfac6ba185e40b2bf5f49bde0d3af2f - - default default] Failed to schedule instances: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 1654, in schedule_and_build_instances
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 180, in call
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager     result = self.transport._send(
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 800, in send
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 792, in _send
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager     raise result
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager 
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager 
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager 
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager 
2026-02-19 20:12:59.030 7 ERROR nova.conductor.manager 
2026-02-19 20:12:59.130 7 WARNING nova.scheduler.utils [None req-3fd04103-1e8d-4b54-baca-9b17ba65d740 bb80dc7d181d4660a4faa2f20ce01778 dcfac6ba185e40b2bf5f49bde0d3af2f - - default default] Failed to compute_task_build_instances: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found. 
: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:12:59.130 7 WARNING nova.scheduler.utils [None req-3fd04103-1e8d-4b54-baca-9b17ba65d740 bb80dc7d181d4660a4faa2f20ce01778 dcfac6ba185e40b2bf5f49bde0d3af2f - - default default] [instance: c6409847-fa45-4801-80be-6eb46fe59aa5] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager [None req-f02f8961-d67f-4729-9283-5bebb1e3e501 315035974c9847f6912292aeace121da 346315705bf74911b100feb6a7430b8c - - default default] Failed to schedule instances: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 1654, in schedule_and_build_instances
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 180, in call
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager     result = self.transport._send(
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 800, in send
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 792, in _send
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager     raise result
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager 
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager 
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager 
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager 
2026-02-19 20:13:43.881 8 ERROR nova.conductor.manager 
2026-02-19 20:13:43.996 8 WARNING nova.scheduler.utils [None req-f02f8961-d67f-4729-9283-5bebb1e3e501 315035974c9847f6912292aeace121da 346315705bf74911b100feb6a7430b8c - - default default] Failed to compute_task_build_instances: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found. 
: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:13:43.997 8 WARNING nova.scheduler.utils [None req-f02f8961-d67f-4729-9283-5bebb1e3e501 315035974c9847f6912292aeace121da 346315705bf74911b100feb6a7430b8c - - default default] [instance: 9615c438-391e-4dfa-988c-06c41a803443] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager [None req-34309639-575c-488c-a00c-20ee977b1f72 4d6531214ed645ec974d39f69003d988 9e5a17947a9a49fa99cefeb42dbd5314 - - default default] Failed to schedule instances: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 1654, in schedule_and_build_instances
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 180, in call
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager     result = self.transport._send(
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 800, in send
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 792, in _send
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager     raise result
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager 
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager 
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager 
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager 
2026-02-19 20:13:59.222 7 ERROR nova.conductor.manager 
2026-02-19 20:13:59.311 7 WARNING nova.scheduler.utils [None req-34309639-575c-488c-a00c-20ee977b1f72 4d6531214ed645ec974d39f69003d988 9e5a17947a9a49fa99cefeb42dbd5314 - - default default] Failed to compute_task_build_instances: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found. 
: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:13:59.311 7 WARNING nova.scheduler.utils [None req-34309639-575c-488c-a00c-20ee977b1f72 4d6531214ed645ec974d39f69003d988 9e5a17947a9a49fa99cefeb42dbd5314 - - default default] [instance: 5c5a330c-4f2c-48e4-8815-b717da49cb0c] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager [None req-99f9baa5-30f5-46bc-84b1-24ef4403fdd9 d27d0b511f9d4f9d9cb55ecb7ae31873 3a2ae7f1e6184c43b796890de539bc12 - - default default] Failed to schedule instances: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 1654, in schedule_and_build_instances
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 180, in call
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager     result = self.transport._send(
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 800, in send
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 792, in _send
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager     raise result
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager 
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager 
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager 
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager 
2026-02-19 20:14:10.233 8 ERROR nova.conductor.manager 
2026-02-19 20:14:10.309 8 WARNING nova.scheduler.utils [None req-99f9baa5-30f5-46bc-84b1-24ef4403fdd9 d27d0b511f9d4f9d9cb55ecb7ae31873 3a2ae7f1e6184c43b796890de539bc12 - - default default] Failed to compute_task_build_instances: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found. 
: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:14:10.310 8 WARNING nova.scheduler.utils [None req-99f9baa5-30f5-46bc-84b1-24ef4403fdd9 d27d0b511f9d4f9d9cb55ecb7ae31873 3a2ae7f1e6184c43b796890de539bc12 - - default default] [instance: 020c44ce-18ff-4586-934b-536eb0a435e0] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager [None req-890550b2-5b96-4014-94b5-ab96aa03a819 8b92967060ce44f08213d304948fcec7 0cd91e3e4a844639ad0f30e37b9f8023 - - default default] Failed to schedule instances: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 1654, in schedule_and_build_instances
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 180, in call
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager     result = self.transport._send(
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 800, in send
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 792, in _send
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager     raise result
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager 
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager 
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager 
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager 
2026-02-19 20:14:34.562 7 ERROR nova.conductor.manager 
2026-02-19 20:14:34.652 7 WARNING nova.scheduler.utils [None req-890550b2-5b96-4014-94b5-ab96aa03a819 8b92967060ce44f08213d304948fcec7 0cd91e3e4a844639ad0f30e37b9f8023 - - default default] Failed to compute_task_build_instances: No valid host was found. 
Traceback (most recent call last):

  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 269, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 255, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found. 
: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-02-19 20:14:34.653 7 WARNING nova.scheduler.utils [None req-890550b2-5b96-4014-94b5-ab96aa03a819 8b92967060ce44f08213d304948fcec7 0cd91e3e4a844639ad0f30e37b9f8023 - - default default] [instance: de135163-31d8-402d-9d26-43871b23beb1] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found.