+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-23 17:20:01.181 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-23 17:20:01.519 1 INFO cinder.rpc [None req-15034346-98a5-4c91-afcb-b5963f829f0b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-23 17:20:01.523 1 INFO cinder.rpc [None req-15034346-98a5-4c91-afcb-b5963f829f0b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-23 17:20:01.526 1 INFO cinder.rpc [None req-15034346-98a5-4c91-afcb-b5963f829f0b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-23 17:20:01.531 1 INFO cinder.rpc [None req-15034346-98a5-4c91-afcb-b5963f829f0b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-23 17:20:01.539 1 INFO cinder.rpc [None req-15034346-98a5-4c91-afcb-b5963f829f0b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-23 17:20:01.544 1 INFO cinder.rpc [None req-15034346-98a5-4c91-afcb-b5963f829f0b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-23 17:20:01.636 1 WARNING oslo_config.cfg [None req-15034346-98a5-4c91-afcb-b5963f829f0b - - - - - -] 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 17:20:01.637 1 WARNING oslo_config.cfg [None req-15034346-98a5-4c91-afcb-b5963f829f0b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-23 17:20:01.648 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-23 17:20:01.677 1 INFO cinder.backup.manager [None req-19e5bea8-199e-4b7c-970e-c60e2e620a48 - - - - - -] Cleaning up incomplete backup operations. 2026-04-23 17:20:01.757 1 INFO cinder.keymgr.migration [None req-9a0d43b0-26dc-49ae-98ae-c89ecadae4a4 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.