+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-04 22:02:24.607 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-04 22:02:24.923 1 INFO cinder.rpc [None req-c52394be-7169-42b9-a001-48c1c646d166 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-04 22:02:24.926 1 INFO cinder.rpc [None req-c52394be-7169-42b9-a001-48c1c646d166 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-04 22:02:24.931 1 INFO cinder.rpc [None req-c52394be-7169-42b9-a001-48c1c646d166 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-04 22:02:24.936 1 INFO cinder.rpc [None req-c52394be-7169-42b9-a001-48c1c646d166 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-04 22:02:24.941 1 INFO cinder.rpc [None req-c52394be-7169-42b9-a001-48c1c646d166 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-04 22:02:24.945 1 INFO cinder.rpc [None req-c52394be-7169-42b9-a001-48c1c646d166 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-04 22:02:25.026 1 WARNING oslo_config.cfg [None req-c52394be-7169-42b9-a001-48c1c646d166 - - - - - -] 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.
2026-08-04 22:02:25.028 1 WARNING oslo_config.cfg [None req-c52394be-7169-42b9-a001-48c1c646d166 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-04 22:02:25.045 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-08-04 22:02:25.071 1 INFO cinder.backup.manager [None req-9a50ea32-8a85-4fd7-8f5c-267f4ce22777 - - - - - -] Cleaning up incomplete backup operations.
2026-08-04 22:02:25.141 1 INFO cinder.keymgr.migration [None req-e0df7355-e8a8-4518-8c16-46592fdc4c32 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.