+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-20 12:30:43.270 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-20 12:30:43.562 1 INFO cinder.rpc [None req-b078630c-3674-457b-9449-fce10a018718 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-20 12:30:43.564 1 INFO cinder.rpc [None req-b078630c-3674-457b-9449-fce10a018718 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-20 12:30:43.567 1 INFO cinder.rpc [None req-b078630c-3674-457b-9449-fce10a018718 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-20 12:30:43.570 1 INFO cinder.rpc [None req-b078630c-3674-457b-9449-fce10a018718 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-20 12:30:43.573 1 INFO cinder.rpc [None req-b078630c-3674-457b-9449-fce10a018718 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-20 12:30:43.575 1 INFO cinder.rpc [None req-b078630c-3674-457b-9449-fce10a018718 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-20 12:30:43.634 1 WARNING oslo_config.cfg [None req-b078630c-3674-457b-9449-fce10a018718 - - - - - -] 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. 2026-05-20 12:30:43.635 1 WARNING oslo_config.cfg [None req-b078630c-3674-457b-9449-fce10a018718 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-20 12:30:43.645 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-20 12:30:43.670 1 INFO cinder.backup.manager [None req-9b1230b2-2300-4fdc-aaa9-e88c25cf3058 - - - - - -] Cleaning up incomplete backup operations. 2026-05-20 12:30:43.734 1 INFO cinder.keymgr.migration [None req-a5b06963-a5e1-4572-9d9a-e5c247066235 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.