+ exec nova-scheduler --config-file /etc/nova/nova.conf
Service is starting with native threading. This is currently experimental. Do not use it in production without first testing it in pre-production.
2026-08-24 15:51:01.615 1 INFO nova.utils [None req-1ef26e75-f0b6-47c1-9d23-6e14ae3697fa - - - - - -] The default thread pool MainProcess.default is initialized
2026-08-24 15:51:02.051 1 INFO nova.utils [None req-1ef26e75-f0b6-47c1-9d23-6e14ae3697fa - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-08-24 15:51:02.081 1 INFO nova.utils [None req-a8301e1f-3854-472c-972a-3030fc15aa49 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-08-24 15:51:03.081 1 INFO nova.utils [None req-a8301e1f-3854-472c-972a-3030fc15aa49 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-08-24 15:51:03.082 1 INFO nova.utils [None req-a8301e1f-3854-472c-972a-3030fc15aa49 - - - - - -] The default thread pool MainProcess.default is shutting down
2026-08-24 15:51:03.718 1 INFO nova.utils [None req-a8301e1f-3854-472c-972a-3030fc15aa49 - - - - - -] The default thread pool MainProcess.default is closed
2026-08-24 15:51:03.726 1 WARNING oslo_config.cfg [None req-a8301e1f-3854-472c-972a-3030fc15aa49 - - - - - -] 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.
2026-08-24 15:51:03.768 11 INFO nova.service [-] Starting scheduler node (version 32.1.0)
2026-08-24 15:51:03.785 13 INFO nova.service [-] Starting scheduler node (version 32.1.0)
2026-08-24 15:54:36.927 13 WARNING nova.scheduler.manager [None req-61ed54bf-aa86-4647-80a1-3f0c49359234 - - - - - -] This periodic task should only be enabled if discover hosts is not run via nova-manage, schedulers: Host 'instance' mapping already exists: nova.exception.HostMappingExists: Host 'instance' mapping already exists
2026-08-24 15:54:36.971 11 INFO nova.scheduler.manager [None req-f2b61ca7-01d8-42ec-bc0e-53fbda01516c - - - - - -] Discovered 1 new hosts: cell1:instance
2026-08-24 15:56:32.209 11 INFO nova.scheduler.host_manager [None req-3a715283-c57e-4a92-ac4f-4444617c4599 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-08-24 15:56:32.213 13 INFO nova.scheduler.host_manager [None req-3a715283-c57e-4a92-ac4f-4444617c4599 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-08-24 16:28:46.627 11 INFO nova.utils [None req-3125a24d-131b-43c6-85d2-63d95248b610 5caf7db6facb44cbb4afc5d41e44a9c4 681604b713cc45eeb091ff6d9e60f413 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-08-24 16:28:57.806 13 INFO nova.utils [None req-26b2c83e-d5a4-46b9-a99e-a4e65faa40cc 5ed348ac72224e9fbdbd693810b36afe cc9af61cef2a45ae9877cdcd6daae132 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-08-24 16:28:58.587 11 INFO nova.scheduler.host_manager [None req-752bb99b-d69a-4222-bd41-922776370243 - - - - - -] The instance sync for host 'instance' did not match. Re-created its InstanceList.
2026-08-24 16:28:58.587 13 INFO nova.scheduler.host_manager [None req-752bb99b-d69a-4222-bd41-922776370243 - - - - - -] The instance sync for host 'instance' did not match. Re-created its InstanceList.