+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-20 01:44:30.376 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-20 01:44:30.606 1 INFO cinder.rpc [None req-015917e2-87d6-4692-9e73-0efbb1c9b19b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-20 01:44:30.609 1 INFO cinder.rpc [None req-015917e2-87d6-4692-9e73-0efbb1c9b19b - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-20 01:44:30.612 1 INFO cinder.rpc [None req-015917e2-87d6-4692-9e73-0efbb1c9b19b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-20 01:44:30.616 1 INFO cinder.rpc [None req-015917e2-87d6-4692-9e73-0efbb1c9b19b - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-20 01:44:30.619 1 INFO cinder.rpc [None req-015917e2-87d6-4692-9e73-0efbb1c9b19b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-20 01:44:30.622 1 INFO cinder.rpc [None req-015917e2-87d6-4692-9e73-0efbb1c9b19b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-20 01:44:30.676 1 WARNING oslo_config.cfg [None req-015917e2-87d6-4692-9e73-0efbb1c9b19b - - - - - -] 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.
2026-08-20 01:44:30.678 1 WARNING oslo_config.cfg [None req-015917e2-87d6-4692-9e73-0efbb1c9b19b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-20 01:44:30.689 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-08-20 01:44:30.707 1 INFO cinder.backup.manager [None req-5c03cb95-3ce4-4652-a652-f077861ddea4 - - - - - -] Cleaning up incomplete backup operations.
2026-08-20 01:44:30.906 1 INFO cinder.keymgr.migration [None req-e1f6c36e-baea-4a71-b27e-d279a42a2e01 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.