+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-12 19:00:40.443 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-12 19:00:40.746 1 INFO cinder.rpc [None req-8593ad7f-f717-4418-bb9e-7afb3cde3990 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-12 19:00:40.749 1 INFO cinder.rpc [None req-8593ad7f-f717-4418-bb9e-7afb3cde3990 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-12 19:00:40.751 1 INFO cinder.rpc [None req-8593ad7f-f717-4418-bb9e-7afb3cde3990 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-12 19:00:40.754 1 INFO cinder.rpc [None req-8593ad7f-f717-4418-bb9e-7afb3cde3990 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-12 19:00:40.757 1 INFO cinder.rpc [None req-8593ad7f-f717-4418-bb9e-7afb3cde3990 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-12 19:00:40.760 1 INFO cinder.rpc [None req-8593ad7f-f717-4418-bb9e-7afb3cde3990 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-12 19:00:40.828 1 WARNING oslo_config.cfg [None req-8593ad7f-f717-4418-bb9e-7afb3cde3990 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated for removal (The auth_uri option is deprecated in favor of www_authenticate_uri and will be removed in the S  release.).  Its value may be silently ignored in the future.
2026-04-12 19:00:40.830 1 WARNING oslo_config.cfg [None req-8593ad7f-f717-4418-bb9e-7afb3cde3990 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-12 19:00:40.840 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-12 19:00:40.869 1 INFO cinder.backup.manager [None req-e3e849ef-66b4-46f9-b578-987d88cf9d82 - - - - - -] Cleaning up incomplete backup operations.
2026-04-12 19:00:40.938 1 INFO cinder.keymgr.migration [None req-66339515-6710-42e9-ae09-275374a80cf8 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.