+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-22 18:52:43.668 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-22 18:52:43.910 1 INFO cinder.rpc [None req-e48acd66-d3bd-41bb-b4c7-3030731e7a60 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-22 18:52:43.915 1 INFO cinder.rpc [None req-e48acd66-d3bd-41bb-b4c7-3030731e7a60 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-04-22 18:52:43.917 1 INFO cinder.rpc [None req-e48acd66-d3bd-41bb-b4c7-3030731e7a60 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-22 18:52:43.919 1 INFO cinder.rpc [None req-e48acd66-d3bd-41bb-b4c7-3030731e7a60 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-04-22 18:52:43.921 1 INFO cinder.rpc [None req-e48acd66-d3bd-41bb-b4c7-3030731e7a60 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-22 18:52:43.924 1 INFO cinder.rpc [None req-e48acd66-d3bd-41bb-b4c7-3030731e7a60 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-22 18:52:43.978 1 WARNING oslo_config.cfg [None req-e48acd66-d3bd-41bb-b4c7-3030731e7a60 - - - - - -] 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 18:52:43.980 1 WARNING oslo_config.cfg [None req-e48acd66-d3bd-41bb-b4c7-3030731e7a60 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-22 18:52:43.993 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-04-22 18:52:44.014 1 INFO cinder.backup.manager [None req-7793cdb9-39b8-48b2-ab99-6d23cd756aa7 - - - - - -] Cleaning up incomplete backup operations.
2026-04-22 18:52:44.165 1 INFO cinder.keymgr.migration [None req-f6fefea6-c755-4563-a38e-4b541225287a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.