+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-11 12:35:22.068 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-11 12:35:22.355 1 INFO cinder.rpc [None req-b5feb7b0-05f4-4ae7-9a5a-bec9bdbcf969 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-11 12:35:22.357 1 INFO cinder.rpc [None req-b5feb7b0-05f4-4ae7-9a5a-bec9bdbcf969 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-11 12:35:22.360 1 INFO cinder.rpc [None req-b5feb7b0-05f4-4ae7-9a5a-bec9bdbcf969 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-11 12:35:22.362 1 INFO cinder.rpc [None req-b5feb7b0-05f4-4ae7-9a5a-bec9bdbcf969 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-11 12:35:22.365 1 INFO cinder.rpc [None req-b5feb7b0-05f4-4ae7-9a5a-bec9bdbcf969 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-11 12:35:22.370 1 INFO cinder.rpc [None req-b5feb7b0-05f4-4ae7-9a5a-bec9bdbcf969 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-11 12:35:22.441 1 WARNING oslo_config.cfg [None req-b5feb7b0-05f4-4ae7-9a5a-bec9bdbcf969 - - - - - -] 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. 2026-05-11 12:35:22.443 1 WARNING oslo_config.cfg [None req-b5feb7b0-05f4-4ae7-9a5a-bec9bdbcf969 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-11 12:35:22.452 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-11 12:35:22.478 1 INFO cinder.backup.manager [None req-662e9045-ebb7-442c-8ca9-b50522cb3ef2 - - - - - -] Cleaning up incomplete backup operations. 2026-05-11 12:35:22.541 1 INFO cinder.keymgr.migration [None req-615c44bb-d264-4e36-9f34-1c8a0832b60d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.