+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-27 04:19:42.619 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-27 04:19:42.903 1 INFO cinder.rpc [None req-ba305fe7-9744-4739-ac10-000da0f5a252 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-27 04:19:42.906 1 INFO cinder.rpc [None req-ba305fe7-9744-4739-ac10-000da0f5a252 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-27 04:19:42.908 1 INFO cinder.rpc [None req-ba305fe7-9744-4739-ac10-000da0f5a252 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-27 04:19:42.910 1 INFO cinder.rpc [None req-ba305fe7-9744-4739-ac10-000da0f5a252 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-27 04:19:42.912 1 INFO cinder.rpc [None req-ba305fe7-9744-4739-ac10-000da0f5a252 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-27 04:19:42.914 1 INFO cinder.rpc [None req-ba305fe7-9744-4739-ac10-000da0f5a252 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-27 04:19:42.969 1 WARNING oslo_config.cfg [None req-ba305fe7-9744-4739-ac10-000da0f5a252 - - - - - -] 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. 2026-04-27 04:19:42.970 1 WARNING oslo_config.cfg [None req-ba305fe7-9744-4739-ac10-000da0f5a252 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-27 04:19:42.978 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-27 04:19:43.002 1 INFO cinder.backup.manager [None req-21ae34e6-4811-409e-983c-17c842ab9d03 - - - - - -] Cleaning up incomplete backup operations. 2026-04-27 04:19:43.058 1 INFO cinder.keymgr.migration [None req-89800727-ee70-448d-89e4-cf1c178f49a8 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.