+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-21 15:20:48.455 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-21 15:20:48.748 1 INFO cinder.rpc [None req-fce26b04-97e3-456f-abad-4e4c36f07841 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-21 15:20:48.750 1 INFO cinder.rpc [None req-fce26b04-97e3-456f-abad-4e4c36f07841 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-21 15:20:48.752 1 INFO cinder.rpc [None req-fce26b04-97e3-456f-abad-4e4c36f07841 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-21 15:20:48.755 1 INFO cinder.rpc [None req-fce26b04-97e3-456f-abad-4e4c36f07841 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-21 15:20:48.758 1 INFO cinder.rpc [None req-fce26b04-97e3-456f-abad-4e4c36f07841 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-21 15:20:48.761 1 INFO cinder.rpc [None req-fce26b04-97e3-456f-abad-4e4c36f07841 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-21 15:20:48.831 1 WARNING oslo_config.cfg [None req-fce26b04-97e3-456f-abad-4e4c36f07841 - - - - - -] 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. 2026-05-21 15:20:48.832 1 WARNING oslo_config.cfg [None req-fce26b04-97e3-456f-abad-4e4c36f07841 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-21 15:20:48.841 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-21 15:20:48.869 1 INFO cinder.backup.manager [None req-9e560815-f49e-45d3-898c-11935d340ab0 - - - - - -] Cleaning up incomplete backup operations. 2026-05-21 15:20:48.939 1 INFO cinder.keymgr.migration [None req-b53c2cf3-6efb-4d3e-8756-c7eec3151445 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.