+ exec nova-scheduler --config-file /etc/nova/nova.conf 2026-07-28 20:09:06.501 1 INFO nova.utils [None req-a151a550-90e8-4d81-89a7-6dad7b66ad22 - - - - - -] The default thread pool MainProcess.default is initialized 2026-07-28 20:09:06.940 1 INFO nova.utils [None req-a151a550-90e8-4d81-89a7-6dad7b66ad22 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-28 20:09:07.008 1 INFO nova.utils [None req-8ad1f0d2-501d-4696-a287-774fb460f655 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-28 20:09:08.012 1 INFO nova.utils [None req-8ad1f0d2-501d-4696-a287-774fb460f655 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-28 20:09:08.017 1 INFO nova.utils [None req-8ad1f0d2-501d-4696-a287-774fb460f655 - - - - - -] The default thread pool MainProcess.default is shutting down 2026-07-28 20:09:08.647 1 INFO nova.utils [None req-8ad1f0d2-501d-4696-a287-774fb460f655 - - - - - -] The default thread pool MainProcess.default is closed 2026-07-28 20:09:08.649 1 WARNING oslo_service.backend._threading.service [None req-8ad1f0d2-501d-4696-a287-774fb460f655 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-28 20:09:08.658 1 WARNING oslo_config.cfg [None req-8ad1f0d2-501d-4696-a287-774fb460f655 - - - - - -] 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. 2026-07-28 20:09:08.706 11 INFO nova.service [-] Starting scheduler node (version 33.1.0) 2026-07-28 20:09:08.719 13 INFO nova.service [-] Starting scheduler node (version 33.1.0) 2026-07-28 20:14:44.870 13 WARNING nova.scheduler.manager [None req-f1e0ad7e-b374-49c1-b909-d31d0af0f87a - - - - - -] 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 2026-07-28 20:14:44.883 11 INFO nova.scheduler.manager [None req-5ddab50c-1e25-4961-9141-4f4e47feb471 - - - - - -] Discovered 1 new hosts: cell1:instance 2026-07-28 20:16:36.217 13 INFO nova.scheduler.host_manager [None req-64eab244-bafc-42fd-b480-cd0c8349a15b - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList. 2026-07-28 20:16:36.218 11 INFO nova.scheduler.host_manager [None req-64eab244-bafc-42fd-b480-cd0c8349a15b - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.