+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-21 03:56:24.155 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-21 03:56:24.440 1 INFO cinder.rpc [None req-050483a9-85f7-4bb9-8c4b-416a0c976dfd - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-21 03:56:24.443 1 INFO cinder.rpc [None req-050483a9-85f7-4bb9-8c4b-416a0c976dfd - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-21 03:56:24.451 1 INFO cinder.rpc [None req-050483a9-85f7-4bb9-8c4b-416a0c976dfd - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-21 03:56:24.454 1 INFO cinder.rpc [None req-050483a9-85f7-4bb9-8c4b-416a0c976dfd - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-21 03:56:24.456 1 INFO cinder.rpc [None req-050483a9-85f7-4bb9-8c4b-416a0c976dfd - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-21 03:56:24.458 1 INFO cinder.rpc [None req-050483a9-85f7-4bb9-8c4b-416a0c976dfd - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-21 03:56:24.515 1 WARNING oslo_config.cfg [None req-050483a9-85f7-4bb9-8c4b-416a0c976dfd - - - - - -] 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.
2026-04-21 03:56:24.516 1 WARNING oslo_config.cfg [None req-050483a9-85f7-4bb9-8c4b-416a0c976dfd - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-21 03:56:24.526 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-21 03:56:24.551 1 INFO cinder.backup.manager [None req-96d7c47e-8b89-4c18-9971-00a9ebb05552 - - - - - -] Cleaning up incomplete backup operations.
2026-04-21 03:56:24.613 1 INFO cinder.keymgr.migration [None req-46d30875-9f81-4772-9f73-2f61738e5d8d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.