+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-14 09:10:37.572 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-14 09:10:37.916 1 INFO cinder.rpc [None req-bbebe4a0-263e-4d23-abf9-f1c23a50a949 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-14 09:10:37.920 1 INFO cinder.rpc [None req-bbebe4a0-263e-4d23-abf9-f1c23a50a949 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-14 09:10:37.922 1 INFO cinder.rpc [None req-bbebe4a0-263e-4d23-abf9-f1c23a50a949 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-14 09:10:37.926 1 INFO cinder.rpc [None req-bbebe4a0-263e-4d23-abf9-f1c23a50a949 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-14 09:10:37.929 1 INFO cinder.rpc [None req-bbebe4a0-263e-4d23-abf9-f1c23a50a949 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-14 09:10:37.932 1 INFO cinder.rpc [None req-bbebe4a0-263e-4d23-abf9-f1c23a50a949 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-14 09:10:38.262 1 WARNING oslo_config.cfg [None req-bbebe4a0-263e-4d23-abf9-f1c23a50a949 - - - - - -] 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.
2026-07-14 09:10:38.264 1 WARNING oslo_config.cfg [None req-bbebe4a0-263e-4d23-abf9-f1c23a50a949 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-14 09:10:38.272 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-07-14 09:10:38.300 1 INFO cinder.backup.manager [None req-461fc58d-04f2-4611-ab28-0c86dfca2d38 - - - - - -] Cleaning up incomplete backup operations.
2026-07-14 09:10:38.362 1 INFO cinder.keymgr.migration [None req-6f97f439-31ff-40d9-b429-f56b5af5924b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.