+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-07 11:21:52.737 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-07 11:21:53.026 1 INFO cinder.rpc [None req-c7467312-c042-46e3-866d-e68bb043be38 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-07 11:21:53.030 1 INFO cinder.rpc [None req-c7467312-c042-46e3-866d-e68bb043be38 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-07 11:21:53.032 1 INFO cinder.rpc [None req-c7467312-c042-46e3-866d-e68bb043be38 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-07 11:21:53.035 1 INFO cinder.rpc [None req-c7467312-c042-46e3-866d-e68bb043be38 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-07 11:21:53.039 1 INFO cinder.rpc [None req-c7467312-c042-46e3-866d-e68bb043be38 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-07 11:21:53.041 1 INFO cinder.rpc [None req-c7467312-c042-46e3-866d-e68bb043be38 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-07 11:21:53.107 1 WARNING oslo_config.cfg [None req-c7467312-c042-46e3-866d-e68bb043be38 - - - - - -] 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.
2026-09-07 11:21:53.108 1 WARNING oslo_config.cfg [None req-c7467312-c042-46e3-866d-e68bb043be38 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-07 11:21:53.116 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-09-07 11:21:53.139 1 INFO cinder.backup.manager [None req-daf0c191-b886-4259-8565-3bc0f552a8b7 - - - - - -] Cleaning up incomplete backup operations.
2026-09-07 11:21:53.212 1 INFO cinder.keymgr.migration [None req-5a7ffe7b-d660-48fa-b90c-970089ace05e - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.