+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-22 19:14:16.084 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-22 19:14:16.320 1 INFO cinder.rpc [None req-7f95f36e-efc4-4fb1-9829-0741fa3f7cb0 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-22 19:14:16.325 1 INFO cinder.rpc [None req-7f95f36e-efc4-4fb1-9829-0741fa3f7cb0 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-22 19:14:16.329 1 INFO cinder.rpc [None req-7f95f36e-efc4-4fb1-9829-0741fa3f7cb0 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-22 19:14:16.332 1 INFO cinder.rpc [None req-7f95f36e-efc4-4fb1-9829-0741fa3f7cb0 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-22 19:14:16.335 1 INFO cinder.rpc [None req-7f95f36e-efc4-4fb1-9829-0741fa3f7cb0 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-22 19:14:16.338 1 INFO cinder.rpc [None req-7f95f36e-efc4-4fb1-9829-0741fa3f7cb0 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-22 19:14:16.394 1 WARNING oslo_config.cfg [None req-7f95f36e-efc4-4fb1-9829-0741fa3f7cb0 - - - - - -] 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.
2026-08-22 19:14:16.396 1 WARNING oslo_config.cfg [None req-7f95f36e-efc4-4fb1-9829-0741fa3f7cb0 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-22 19:14:16.409 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-08-22 19:14:16.428 1 INFO cinder.backup.manager [None req-81c86f84-16df-4e3d-9303-e96a1b64ff05 - - - - - -] Cleaning up incomplete backup operations.
2026-08-22 19:14:16.579 1 INFO cinder.keymgr.migration [None req-0c8ba53b-275c-4ec5-98de-167501d1f8b7 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.