+ exec nova-conductor --config-file /etc/nova/nova.conf
3 RLock(s) were not greened, to fix this error make sure you run eventlet.monkey_patch() before importing any other modules.
2026-05-09 02:08:48.792 1 INFO oslo_service.service [None req-608be6b6-aafe-4c3e-9d40-d84bb182f29c - - - - - -] Starting 2 workers
2026-05-09 02:08:48.800 7 INFO nova.service [-] Starting conductor node (version 30.3.1)
2026-05-09 02:08:48.802 8 INFO nova.service [-] Starting conductor node (version 30.3.1)
2026-05-09 02:08:48.806 1 WARNING oslo_config.cfg [None req-608be6b6-aafe-4c3e-9d40-d84bb182f29c - - - - - -] 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.
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager [None req-6b859356-d61d-4507-b2d9-d238684fed2f 393f233cd8224c5ba14a28ff8ed9a7fa 35056c5b32e04abc9169f23c28bb7263 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:42:55.715 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
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 190, in call
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager     result = self.transport._send(
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 805, in send
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 797, in _send
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager     raise result
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager 
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 262, in inner
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager 
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager 
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager 
2026-05-09 02:42:55.715 8 ERROR nova.conductor.manager 
2026-05-09 02:42:55.919 8 WARNING nova.scheduler.utils [None req-6b859356-d61d-4507-b2d9-d238684fed2f 393f233cd8224c5ba14a28ff8ed9a7fa 35056c5b32e04abc9169f23c28bb7263 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, 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. 
2026-05-09 02:42:55.920 8 WARNING nova.scheduler.utils [None req-6b859356-d61d-4507-b2d9-d238684fed2f 393f233cd8224c5ba14a28ff8ed9a7fa 35056c5b32e04abc9169f23c28bb7263 - - default default] [instance: 968d1011-7c6a-4ed6-b5d6-3b9e9a988d52] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:42:55.956 8 WARNING oslo_config.cfg [None req-6b859356-d61d-4507-b2d9-d238684fed2f 393f233cd8224c5ba14a28ff8ed9a7fa 35056c5b32e04abc9169f23c28bb7263 - - 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. 
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager [None req-4b862c39-93a8-4318-af41-f875c3a003d6 ba9e73614d594681838325701c5141c6 61caf02448024014b19faad5a2826913 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:42:57.689 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
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 190, in call
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager     result = self.transport._send(
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 805, in send
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 797, in _send
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager     raise result
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager 
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 262, in inner
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager 
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager 
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager 
2026-05-09 02:42:57.689 7 ERROR nova.conductor.manager 
2026-05-09 02:42:57.918 7 WARNING nova.scheduler.utils [None req-4b862c39-93a8-4318-af41-f875c3a003d6 ba9e73614d594681838325701c5141c6 61caf02448024014b19faad5a2826913 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, 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. 
2026-05-09 02:42:57.920 7 WARNING nova.scheduler.utils [None req-4b862c39-93a8-4318-af41-f875c3a003d6 ba9e73614d594681838325701c5141c6 61caf02448024014b19faad5a2826913 - - default default] [instance: fe3df2be-564f-4dd4-b420-84bf9ed36d78] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:42:57.958 7 WARNING oslo_config.cfg [None req-4b862c39-93a8-4318-af41-f875c3a003d6 ba9e73614d594681838325701c5141c6 61caf02448024014b19faad5a2826913 - - 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. 
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager [None req-4a0003d5-cf56-494c-bc2e-d42b29fa6961 309b8ae4e56b4f06aff17bb9983a4c04 b102f2c1d58b49748efcfb7cbd2434d1 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:42:58.382 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
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 190, in call
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager     result = self.transport._send(
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 805, in send
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 797, in _send
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager     raise result
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager 
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 262, in inner
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager 
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager 
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager 
2026-05-09 02:42:58.382 8 ERROR nova.conductor.manager 
2026-05-09 02:42:58.467 8 WARNING nova.scheduler.utils [None req-4a0003d5-cf56-494c-bc2e-d42b29fa6961 309b8ae4e56b4f06aff17bb9983a4c04 b102f2c1d58b49748efcfb7cbd2434d1 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, 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. 
2026-05-09 02:42:58.467 8 WARNING nova.scheduler.utils [None req-4a0003d5-cf56-494c-bc2e-d42b29fa6961 309b8ae4e56b4f06aff17bb9983a4c04 b102f2c1d58b49748efcfb7cbd2434d1 - - default default] [instance: 6baf748f-0dc5-461d-982d-74766573fb99] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager [None req-e91538d6-7ddc-4436-a1d0-d16a5d99786b 191894630df643ada1a5ea20c79557a2 72d6a180059b4d78b6469b011c683c8a - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:43:12.375 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
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 190, in call
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager     result = self.transport._send(
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 805, in send
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 797, in _send
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager     raise result
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager 
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 262, in inner
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager 
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager 
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager 
2026-05-09 02:43:12.375 7 ERROR nova.conductor.manager 
2026-05-09 02:43:12.470 7 WARNING nova.scheduler.utils [None req-e91538d6-7ddc-4436-a1d0-d16a5d99786b 191894630df643ada1a5ea20c79557a2 72d6a180059b4d78b6469b011c683c8a - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, 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. 
2026-05-09 02:43:12.471 7 WARNING nova.scheduler.utils [None req-e91538d6-7ddc-4436-a1d0-d16a5d99786b 191894630df643ada1a5ea20c79557a2 72d6a180059b4d78b6469b011c683c8a - - default default] [instance: 0ee34399-9b49-4df9-a8d8-90cb47ddc2d6] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager [None req-2845cb2d-1aca-4a8d-8679-6cdaac83ba07 fab4d328c8cc4efbad310cbdec5f2ba2 3da72143f903428896c0d09c44bc72e3 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:43:12.949 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
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 190, in call
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager     result = self.transport._send(
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 805, in send
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 797, in _send
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager     raise result
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager 
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 262, in inner
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager 
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager 
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager 
2026-05-09 02:43:12.949 8 ERROR nova.conductor.manager 
2026-05-09 02:43:13.030 8 WARNING nova.scheduler.utils [None req-2845cb2d-1aca-4a8d-8679-6cdaac83ba07 fab4d328c8cc4efbad310cbdec5f2ba2 3da72143f903428896c0d09c44bc72e3 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, 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. 
2026-05-09 02:43:13.031 8 WARNING nova.scheduler.utils [None req-2845cb2d-1aca-4a8d-8679-6cdaac83ba07 fab4d328c8cc4efbad310cbdec5f2ba2 3da72143f903428896c0d09c44bc72e3 - - default default] [instance: b81642e4-183b-4dac-bc70-a92f9cc43fcb] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager [None req-80fbda8e-1a83-427b-b072-d8c89ac740b2 672b759fcc164d6babbad250a1bb6221 2b5e0c15726c4bc6b4a31a6bf0669540 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:43:25.883 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
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 190, in call
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager     result = self.transport._send(
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 805, in send
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 797, in _send
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager     raise result
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager 
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 262, in inner
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager 
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager 
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager 
2026-05-09 02:43:25.883 7 ERROR nova.conductor.manager 
2026-05-09 02:43:25.973 7 WARNING nova.scheduler.utils [None req-80fbda8e-1a83-427b-b072-d8c89ac740b2 672b759fcc164d6babbad250a1bb6221 2b5e0c15726c4bc6b4a31a6bf0669540 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, 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. 
2026-05-09 02:43:25.974 7 WARNING nova.scheduler.utils [None req-80fbda8e-1a83-427b-b072-d8c89ac740b2 672b759fcc164d6babbad250a1bb6221 2b5e0c15726c4bc6b4a31a6bf0669540 - - default default] [instance: 3e018268-8579-47b1-9d8c-1f5d16c9eed1] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager [None req-2663d476-213d-4bc2-841e-33bb59b1f884 5478bac2d4574ece9c6956e3f4cea66a def252070b5546dc8fa143ce1eae01e6 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:44:00.686 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
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 190, in call
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager     result = self.transport._send(
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 805, in send
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 797, in _send
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager     raise result
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager 
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 262, in inner
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager 
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager 
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager 
2026-05-09 02:44:00.686 8 ERROR nova.conductor.manager 
2026-05-09 02:44:00.765 8 WARNING nova.scheduler.utils [None req-2663d476-213d-4bc2-841e-33bb59b1f884 5478bac2d4574ece9c6956e3f4cea66a def252070b5546dc8fa143ce1eae01e6 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, 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. 
2026-05-09 02:44:00.767 8 WARNING nova.scheduler.utils [None req-2663d476-213d-4bc2-841e-33bb59b1f884 5478bac2d4574ece9c6956e3f4cea66a def252070b5546dc8fa143ce1eae01e6 - - default default] [instance: 5f177a50-eb07-4d71-9ded-bbf3d4fa77ab] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager [None req-c41ee839-bc94-4d05-9ba4-fa6317c06f6d 1486a3fc9f7f4860b9b7fe3fd168aeb1 47145ab5bc0e440fa71496feffee5634 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:44:22.572 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
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 190, in call
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager     result = self.transport._send(
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 805, in send
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 797, in _send
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager     raise result
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager 
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 262, in inner
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager 
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager 
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager 
2026-05-09 02:44:22.572 7 ERROR nova.conductor.manager 
2026-05-09 02:44:22.677 7 WARNING nova.scheduler.utils [None req-c41ee839-bc94-4d05-9ba4-fa6317c06f6d 1486a3fc9f7f4860b9b7fe3fd168aeb1 47145ab5bc0e440fa71496feffee5634 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, 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. 
2026-05-09 02:44:22.678 7 WARNING nova.scheduler.utils [None req-c41ee839-bc94-4d05-9ba4-fa6317c06f6d 1486a3fc9f7f4860b9b7fe3fd168aeb1 47145ab5bc0e440fa71496feffee5634 - - default default] [instance: 0bd9ae48-da57-49c7-a1bd-d46395ccdf8b] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager [None req-e2188805-9876-4726-940c-eb79295396e7 fc008b7848ee4cffac015e8f5894e82f 52e2a634473f491f82710130522ecc6f - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:44:27.885 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
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 190, in call
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager     result = self.transport._send(
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 805, in send
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 797, in _send
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager     raise result
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager 
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 262, in inner
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager 
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager 
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager 
2026-05-09 02:44:27.885 8 ERROR nova.conductor.manager 
2026-05-09 02:44:27.999 8 WARNING nova.scheduler.utils [None req-e2188805-9876-4726-940c-eb79295396e7 fc008b7848ee4cffac015e8f5894e82f 52e2a634473f491f82710130522ecc6f - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, 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. 
2026-05-09 02:44:28.000 8 WARNING nova.scheduler.utils [None req-e2188805-9876-4726-940c-eb79295396e7 fc008b7848ee4cffac015e8f5894e82f 52e2a634473f491f82710130522ecc6f - - default default] [instance: 7764322c-0768-48fe-a382-8d9a196699f3] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager [None req-27511394-823e-49c3-bcc4-4ba943d87171 5264fb2a866d4c999fcc09ea3d8e7783 aad4eaa74034441e8173dfdc29be62f7 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
    raise exception.NoValidHost(reason="")

nova.exception.NoValidHost: No valid host was found.
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:46:04.982 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
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager     host_lists = self._schedule_instances(context, request_specs[0],
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/conductor/manager.py", line 942, in _schedule_instances
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager     host_lists = self.query_client.select_destinations(
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/client/query.py", line 41, in select_destinations
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager     return self.scheduler_rpcapi.select_destinations(context, spec_obj,
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/rpcapi.py", line 160, in select_destinations
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager     return cctxt.call(ctxt, 'select_destinations', **msg_args)
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/client.py", line 190, in call
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager     result = self.transport._send(
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager              ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/transport.py", line 123, in _send
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager     return self._driver.send(target, ctxt, message,
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 805, in send
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager     return self._send(target, ctxt, message, wait_for_reply, timeout,
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 797, in _send
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager     raise result
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager nova.exception_Remote.NoValidHost_Remote: No valid host was found. 
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager Traceback (most recent call last):
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager 
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_messaging/rpc/server.py", line 262, in inner
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager     return func(*args, **kwargs)
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager            ^^^^^^^^^^^^^^^^^^^^^
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager 
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, in select_destinations
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager     raise exception.NoValidHost(reason="")
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager 
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager nova.exception.NoValidHost: No valid host was found. 
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager 
2026-05-09 02:46:04.982 7 ERROR nova.conductor.manager 
2026-05-09 02:46:05.067 7 WARNING nova.scheduler.utils [None req-27511394-823e-49c3-bcc4-4ba943d87171 5264fb2a866d4c999fcc09ea3d8e7783 aad4eaa74034441e8173dfdc29be62f7 - - 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 262, in inner
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^

  File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 243, 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. 
2026-05-09 02:46:05.068 7 WARNING nova.scheduler.utils [None req-27511394-823e-49c3-bcc4-4ba943d87171 5264fb2a866d4c999fcc09ea3d8e7783 aad4eaa74034441e8173dfdc29be62f7 - - default default] [instance: db3625b6-b89f-44fa-b79d-ebf4b94654f1] Setting instance to ERROR state.: nova.exception_Remote.NoValidHost_Remote: No valid host was found.