+ 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.
2026-08-13 08:25:22.996 1 INFO nova.utils [None req-a5060045-7bd8-4c8f-a857-f4997591cea6 - - - - - -] The default thread pool MainProcess.default is initialized
2026-08-13 08:25:23.667 1 INFO nova.utils [None req-a5060045-7bd8-4c8f-a857-f4997591cea6 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-08-13 08:25:23.710 1 INFO nova.utils [None req-f333c6fd-0351-4026-abf5-7253dce3f2c5 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-08-13 08:25:24.701 1 INFO nova.utils [None req-f333c6fd-0351-4026-abf5-7253dce3f2c5 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-08-13 08:25:24.702 1 INFO nova.utils [None req-f333c6fd-0351-4026-abf5-7253dce3f2c5 - - - - - -] The default thread pool MainProcess.default is shutting down
2026-08-13 08:25:25.438 1 INFO nova.utils [None req-f333c6fd-0351-4026-abf5-7253dce3f2c5 - - - - - -] The default thread pool MainProcess.default is closed
2026-08-13 08:25:25.448 1 WARNING oslo_config.cfg [None req-f333c6fd-0351-4026-abf5-7253dce3f2c5 - - - - - -] 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.
2026-08-13 08:25:25.489 11 INFO nova.service [-] Starting scheduler node (version 32.1.0)
2026-08-13 08:25:25.505 13 INFO nova.service [-] Starting scheduler node (version 32.1.0)
2026-08-13 08:30:09.696 11 WARNING nova.scheduler.manager [None req-33a5ffbf-a2c8-4b5b-966f-07939e2b2926 - - - - - -] 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
2026-08-13 08:30:09.706 13 INFO nova.scheduler.manager [None req-2cceac9a-b8b3-466f-a5c4-78d66673f9c4 - - - - - -] Discovered 1 new hosts: cell1:instance
2026-08-13 08:31:44.660 11 INFO nova.scheduler.host_manager [None req-26fc424e-d841-4842-bd0c-846cbb72c06a - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-08-13 08:31:44.674 13 INFO nova.scheduler.host_manager [None req-26fc424e-d841-4842-bd0c-846cbb72c06a - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.