+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-28 07:57:50.287 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-28 07:57:50.545 1 INFO cinder.rpc [None req-494b6d1c-be07-43b9-a69c-32a1de71d326 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-28 07:57:50.548 1 INFO cinder.rpc [None req-494b6d1c-be07-43b9-a69c-32a1de71d326 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-04-28 07:57:50.552 1 INFO cinder.rpc [None req-494b6d1c-be07-43b9-a69c-32a1de71d326 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-28 07:57:50.555 1 INFO cinder.rpc [None req-494b6d1c-be07-43b9-a69c-32a1de71d326 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-04-28 07:57:50.558 1 INFO cinder.rpc [None req-494b6d1c-be07-43b9-a69c-32a1de71d326 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-28 07:57:50.562 1 INFO cinder.rpc [None req-494b6d1c-be07-43b9-a69c-32a1de71d326 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-28 07:57:50.624 1 WARNING oslo_config.cfg [None req-494b6d1c-be07-43b9-a69c-32a1de71d326 - - - - - -] 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.
2026-04-28 07:57:50.625 1 WARNING oslo_config.cfg [None req-494b6d1c-be07-43b9-a69c-32a1de71d326 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-28 07:57:50.640 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-04-28 07:57:50.659 1 INFO cinder.backup.manager [None req-25dc7422-cafa-46e2-a79f-37b5268d773e - - - - - -] Cleaning up incomplete backup operations.
2026-04-28 07:57:50.829 1 INFO cinder.keymgr.migration [None req-1d962e43-f10a-4fca-9314-3eb32cb2e030 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.