+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-09 05:39:10.425 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-09 05:39:10.717 1 INFO cinder.rpc [None req-42c6e9ab-500f-4493-bbf6-273b090c7e39 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-09 05:39:10.731 1 INFO cinder.rpc [None req-42c6e9ab-500f-4493-bbf6-273b090c7e39 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-09 05:39:10.735 1 INFO cinder.rpc [None req-42c6e9ab-500f-4493-bbf6-273b090c7e39 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-09 05:39:10.741 1 INFO cinder.rpc [None req-42c6e9ab-500f-4493-bbf6-273b090c7e39 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-09 05:39:10.750 1 INFO cinder.rpc [None req-42c6e9ab-500f-4493-bbf6-273b090c7e39 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-09 05:39:10.762 1 INFO cinder.rpc [None req-42c6e9ab-500f-4493-bbf6-273b090c7e39 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-09 05:39:10.864 1 WARNING oslo_config.cfg [None req-42c6e9ab-500f-4493-bbf6-273b090c7e39 - - - - - -] 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. 2026-05-09 05:39:10.865 1 WARNING oslo_config.cfg [None req-42c6e9ab-500f-4493-bbf6-273b090c7e39 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-09 05:39:10.877 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-05-09 05:39:10.906 1 INFO cinder.backup.manager [None req-b6239002-9d1b-4349-8a48-92136d6a1d26 - - - - - -] Cleaning up incomplete backup operations. 2026-05-09 05:39:10.965 1 INFO cinder.keymgr.migration [None req-239a5418-304c-4587-ac72-8bc66b233055 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.