+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-22 21:05:10.886 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-22 21:05:11.171 1 INFO cinder.rpc [None req-27b6bb63-4329-4d04-8eff-a09d1660f731 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-22 21:05:11.175 1 INFO cinder.rpc [None req-27b6bb63-4329-4d04-8eff-a09d1660f731 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-22 21:05:11.177 1 INFO cinder.rpc [None req-27b6bb63-4329-4d04-8eff-a09d1660f731 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-22 21:05:11.179 1 INFO cinder.rpc [None req-27b6bb63-4329-4d04-8eff-a09d1660f731 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-22 21:05:11.182 1 INFO cinder.rpc [None req-27b6bb63-4329-4d04-8eff-a09d1660f731 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-22 21:05:11.185 1 INFO cinder.rpc [None req-27b6bb63-4329-4d04-8eff-a09d1660f731 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-22 21:05:11.245 1 WARNING oslo_config.cfg [None req-27b6bb63-4329-4d04-8eff-a09d1660f731 - - - - - -] 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.
2026-04-22 21:05:11.246 1 WARNING oslo_config.cfg [None req-27b6bb63-4329-4d04-8eff-a09d1660f731 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-22 21:05:11.255 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-22 21:05:11.279 1 INFO cinder.backup.manager [None req-afaaec5f-b9dc-4240-a80c-cc40468e586e - - - - - -] Cleaning up incomplete backup operations.
2026-04-22 21:05:11.331 1 INFO cinder.keymgr.migration [None req-bb54c17b-8a01-4a6e-8abe-72226ead4897 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.