+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-21 01:29:21.997 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-21 01:29:22.285 1 INFO cinder.rpc [None req-2ff48f10-910b-4fe8-8535-1b21cc53805d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-21 01:29:22.288 1 INFO cinder.rpc [None req-2ff48f10-910b-4fe8-8535-1b21cc53805d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-21 01:29:22.291 1 INFO cinder.rpc [None req-2ff48f10-910b-4fe8-8535-1b21cc53805d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-21 01:29:22.293 1 INFO cinder.rpc [None req-2ff48f10-910b-4fe8-8535-1b21cc53805d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-21 01:29:22.295 1 INFO cinder.rpc [None req-2ff48f10-910b-4fe8-8535-1b21cc53805d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-21 01:29:22.298 1 INFO cinder.rpc [None req-2ff48f10-910b-4fe8-8535-1b21cc53805d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-21 01:29:22.368 1 WARNING oslo_config.cfg [None req-2ff48f10-910b-4fe8-8535-1b21cc53805d - - - - - -] 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.
2026-05-21 01:29:22.369 1 WARNING oslo_config.cfg [None req-2ff48f10-910b-4fe8-8535-1b21cc53805d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-21 01:29:22.378 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-21 01:29:22.413 1 INFO cinder.backup.manager [None req-728ca1a8-d451-409c-a181-d6f47ce3a023 - - - - - -] Cleaning up incomplete backup operations.
2026-05-21 01:29:22.483 1 INFO cinder.keymgr.migration [None req-746ccd5a-e6f3-4323-bd07-e6b0eaf9e855 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.