++ nova-manage --version
++ grep -Eo '[0-9]+[.][0-9]+[.][0-9]+'
+ NOVA_VERSION=33.1.0
+ '[' 33 -gt 14 ']'
+ nova-manage cell_v2 discover_hosts --verbose
/var/lib/openstack/lib/python3.12/site-packages/nova/monkey_patch.py:39: EventletDeprecationWarning: 
Eventlet is deprecated. It is currently being maintained in bugfix mode, and
we strongly recommend against using it for new projects.

If you are already using Eventlet, we recommend migrating to a different
framework.  For more detail see
https://eventlet.readthedocs.io/en/latest/asyncio/migration.html

  import eventlet
Eventlet based concurrency mode is deprecated and will be removed in a future release, not earlier than 2027.2. Please migrate to native threading mode. See the concurrency guide for details: https://docs.openstack.org/nova/latest/admin/concurrency.html
simplejson unavailable, fall-back to standard python json
Found 2 cell mappings.
Skipping cell0 since it does not contain hosts.
Getting computes from cell 'cell1': b1037e61-ee90-43d5-a56a-a37980cebd1d
Found 0 unmapped computes in cell: b1037e61-ee90-43d5-a56a-a37980cebd1d