+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-27 10:16:40.302 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-27 10:16:40.535 1 INFO cinder.rpc [None req-76f85c6a-d298-4e31-ad68-e1ae6f627a6a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-27 10:16:40.538 1 INFO cinder.rpc [None req-76f85c6a-d298-4e31-ad68-e1ae6f627a6a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-27 10:16:40.541 1 INFO cinder.rpc [None req-76f85c6a-d298-4e31-ad68-e1ae6f627a6a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-27 10:16:40.544 1 INFO cinder.rpc [None req-76f85c6a-d298-4e31-ad68-e1ae6f627a6a - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-05-27 10:16:40.548 1 INFO cinder.rpc [None req-76f85c6a-d298-4e31-ad68-e1ae6f627a6a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-27 10:16:40.552 1 INFO cinder.rpc [None req-76f85c6a-d298-4e31-ad68-e1ae6f627a6a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-27 10:16:40.674 1 WARNING oslo_config.cfg [None req-76f85c6a-d298-4e31-ad68-e1ae6f627a6a - - - - - -] 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.
2026-05-27 10:16:40.675 1 WARNING oslo_config.cfg [None req-76f85c6a-d298-4e31-ad68-e1ae6f627a6a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-27 10:16:40.686 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0)
2026-05-27 10:16:40.704 1 INFO cinder.backup.manager [None req-b8b50583-ca85-41f0-9af0-0ac297482287 - - - - - -] Cleaning up incomplete backup operations.
2026-05-27 10:16:40.760 1 INFO cinder.keymgr.migration [None req-b59eacae-bf90-4f56-a626-9399dcbea7f7 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.