+ exec nova-scheduler --config-file /etc/nova/nova.conf
Modules with known eventlet monkey patching issues were imported prior to eventlet monkey patching: urllib3. This warning can usually be ignored if the caller is only importing and not executing nova code.
/var/lib/openstack/lib/python3.10/site-packages/nova/virt/__init__.py:18: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.
  __import__('pkg_resources').declare_namespace(__name__)
2026-08-19 20:58:02.855 1 INFO oslo_service.service [None req-6e9c0d6c-7649-4274-beb0-5bdef40646f1 - - - - - -] Starting 2 workers
2026-08-19 20:58:02.866 7 INFO nova.service [-] Starting scheduler node (version 27.5.2)
2026-08-19 20:58:02.867 8 INFO nova.service [-] Starting scheduler node (version 27.5.2)
2026-08-19 20:58:02.867 1 WARNING oslo_config.cfg [None req-6e9c0d6c-7649-4274-beb0-5bdef40646f1 - - - - - -] 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.
2026-08-19 21:03:13.007 8 WARNING nova.scheduler.manager [None req-7e661b08-3934-4323-837f-45d4639bfcd7 - - - - - -] This periodic task should only be enabled on a single scheduler to prevent collisions between multiple schedulers: Host 'instance' mapping already exists: nova.exception.HostMappingExists: Host 'instance' mapping already exists
2026-08-19 21:03:13.021 7 INFO nova.scheduler.manager [None req-3374e1c4-19e7-4a75-955b-960ccfa5f8c2 - - - - - -] Discovered 1 new hosts: cell1:instance
2026-08-19 21:04:49.830 7 INFO nova.scheduler.host_manager [None req-67af987f-5ab3-4b8a-ab82-1d17b8e6f593 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-08-19 21:04:49.832 8 INFO nova.scheduler.host_manager [None req-67af987f-5ab3-4b8a-ab82-1d17b8e6f593 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.