+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-27 20:33:10.294 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-27 20:33:10.593 1 INFO cinder.rpc [None req-37a4f77f-b921-49a2-a28e-af4340a3b13e - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-27 20:33:10.596 1 INFO cinder.rpc [None req-37a4f77f-b921-49a2-a28e-af4340a3b13e - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-27 20:33:10.598 1 INFO cinder.rpc [None req-37a4f77f-b921-49a2-a28e-af4340a3b13e - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-27 20:33:10.601 1 INFO cinder.rpc [None req-37a4f77f-b921-49a2-a28e-af4340a3b13e - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-27 20:33:10.604 1 INFO cinder.rpc [None req-37a4f77f-b921-49a2-a28e-af4340a3b13e - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-27 20:33:10.606 1 INFO cinder.rpc [None req-37a4f77f-b921-49a2-a28e-af4340a3b13e - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-27 20:33:10.664 1 WARNING oslo_config.cfg [None req-37a4f77f-b921-49a2-a28e-af4340a3b13e - - - - - -] 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.
2026-07-27 20:33:10.665 1 WARNING oslo_config.cfg [None req-37a4f77f-b921-49a2-a28e-af4340a3b13e - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-27 20:33:10.677 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-07-27 20:33:10.705 1 INFO cinder.backup.manager [None req-ef91d160-3200-46fb-9484-919ef5e4666e - - - - - -] Cleaning up incomplete backup operations.
2026-07-27 20:33:10.751 1 INFO cinder.keymgr.migration [None req-6c567208-590f-4b84-b04c-84dea9cb174b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.