+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-23 10:05:24.131 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-23 10:05:24.437 1 INFO cinder.rpc [None req-fca56bd5-6a08-4a22-b51b-86d4dc392814 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-23 10:05:24.440 1 INFO cinder.rpc [None req-fca56bd5-6a08-4a22-b51b-86d4dc392814 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-23 10:05:24.442 1 INFO cinder.rpc [None req-fca56bd5-6a08-4a22-b51b-86d4dc392814 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-23 10:05:24.444 1 INFO cinder.rpc [None req-fca56bd5-6a08-4a22-b51b-86d4dc392814 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-23 10:05:24.448 1 INFO cinder.rpc [None req-fca56bd5-6a08-4a22-b51b-86d4dc392814 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-23 10:05:24.451 1 INFO cinder.rpc [None req-fca56bd5-6a08-4a22-b51b-86d4dc392814 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-23 10:05:24.528 1 WARNING oslo_config.cfg [None req-fca56bd5-6a08-4a22-b51b-86d4dc392814 - - - - - -] 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. 2026-04-23 10:05:24.529 1 WARNING oslo_config.cfg [None req-fca56bd5-6a08-4a22-b51b-86d4dc392814 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-23 10:05:24.538 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-23 10:05:24.565 1 INFO cinder.backup.manager [None req-b071640f-f1ea-4886-a8c2-cd8b849e2f39 - - - - - -] Cleaning up incomplete backup operations. 2026-04-23 10:05:24.631 1 INFO cinder.keymgr.migration [None req-b7be2dc4-e54c-46f9-8478-f07800d60bf6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.