+ 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__)
2026-04-21 18:13:09.559 1 INFO oslo_service.service [None req-894589bc-ea60-416a-b9f6-50d0afa02fd3 - - - - - -] Starting 2 workers
2026-04-21 18:13:09.569 7 INFO nova.service [-] Starting scheduler node (version 28.3.1)
2026-04-21 18:13:09.570 8 INFO nova.service [-] Starting scheduler node (version 28.3.1)
2026-04-21 18:13:09.572 1 WARNING oslo_config.cfg [None req-894589bc-ea60-416a-b9f6-50d0afa02fd3 - - - - - -] 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.
2026-04-21 18:18:40.767 8 WARNING nova.scheduler.manager [None req-faa86910-25c1-4957-9cf6-3cf6b092cb26 - - - - - -] 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
2026-04-21 18:18:40.809 7 INFO nova.scheduler.manager [None req-1fdf73fe-07d6-4a7a-9a0f-db903f683b3a - - - - - -] Discovered 1 new hosts: cell1:instance
2026-04-21 18:20:26.993 8 INFO nova.scheduler.host_manager [None req-65622ede-e45a-4d5e-b126-997c868eb835 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-04-21 18:20:26.995 7 INFO nova.scheduler.host_manager [None req-65622ede-e45a-4d5e-b126-997c868eb835 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-04-21 18:57:09.392 8 INFO nova.scheduler.host_manager [None req-c6bf342e-c1f3-4e7c-af52-75ff70a348f3 - - - - - -] The instance sync for host 'instance' did not match. Re-created its InstanceList.
2026-04-21 18:57:09.392 7 INFO nova.scheduler.host_manager [None req-c6bf342e-c1f3-4e7c-af52-75ff70a348f3 - - - - - -] The instance sync for host 'instance' did not match. Re-created its InstanceList.