+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-23 17:19:14.564 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-23 17:19:14.844 1 INFO cinder.rpc [None req-16411d3e-76c8-4bee-b449-80edcf7863ca - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-23 17:19:14.847 1 INFO cinder.rpc [None req-16411d3e-76c8-4bee-b449-80edcf7863ca - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-23 17:19:14.849 1 INFO cinder.rpc [None req-16411d3e-76c8-4bee-b449-80edcf7863ca - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-23 17:19:14.851 1 INFO cinder.rpc [None req-16411d3e-76c8-4bee-b449-80edcf7863ca - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-23 17:19:14.854 1 INFO cinder.rpc [None req-16411d3e-76c8-4bee-b449-80edcf7863ca - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-23 17:19:14.856 1 INFO cinder.rpc [None req-16411d3e-76c8-4bee-b449-80edcf7863ca - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-23 17:19:14.916 1 WARNING oslo_config.cfg [None req-16411d3e-76c8-4bee-b449-80edcf7863ca - - - - - -] 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 17:19:14.917 1 WARNING oslo_config.cfg [None req-16411d3e-76c8-4bee-b449-80edcf7863ca - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-23 17:19:14.929 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-23 17:19:14.954 1 INFO cinder.backup.manager [None req-af7ca54e-894a-4805-a08e-08acdc88b964 - - - - - -] Cleaning up incomplete backup operations. 2026-04-23 17:19:15.022 1 INFO cinder.keymgr.migration [None req-01a1c9fc-93be-46c5-b893-9a05a61a1aed - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.