+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-11 18:07:27.351 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-11 18:07:27.637 1 INFO cinder.rpc [None req-c32e2c00-2633-4090-a8a5-7129927e16a4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-11 18:07:27.640 1 INFO cinder.rpc [None req-c32e2c00-2633-4090-a8a5-7129927e16a4 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-11 18:07:27.643 1 INFO cinder.rpc [None req-c32e2c00-2633-4090-a8a5-7129927e16a4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-11 18:07:27.645 1 INFO cinder.rpc [None req-c32e2c00-2633-4090-a8a5-7129927e16a4 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-11 18:07:27.648 1 INFO cinder.rpc [None req-c32e2c00-2633-4090-a8a5-7129927e16a4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-11 18:07:27.651 1 INFO cinder.rpc [None req-c32e2c00-2633-4090-a8a5-7129927e16a4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-11 18:07:27.713 1 WARNING oslo_config.cfg [None req-c32e2c00-2633-4090-a8a5-7129927e16a4 - - - - - -] 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. 2026-06-11 18:07:27.714 1 WARNING oslo_config.cfg [None req-c32e2c00-2633-4090-a8a5-7129927e16a4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-11 18:07:27.723 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-06-11 18:07:27.747 1 INFO cinder.backup.manager [None req-cdfcdcb6-3816-4e4e-8a4c-39dba9354d6e - - - - - -] Cleaning up incomplete backup operations. 2026-06-11 18:07:27.802 1 INFO cinder.keymgr.migration [None req-a062e0cd-f3ac-401e-b45d-58d2a5e1490e - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.