+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-06 20:44:35.476 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-06 20:44:35.768 1 INFO cinder.rpc [None req-223cfa7b-9fab-472b-83eb-0167c07d464f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-06 20:44:35.772 1 INFO cinder.rpc [None req-223cfa7b-9fab-472b-83eb-0167c07d464f - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-06 20:44:35.775 1 INFO cinder.rpc [None req-223cfa7b-9fab-472b-83eb-0167c07d464f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-06 20:44:35.777 1 INFO cinder.rpc [None req-223cfa7b-9fab-472b-83eb-0167c07d464f - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-06 20:44:35.780 1 INFO cinder.rpc [None req-223cfa7b-9fab-472b-83eb-0167c07d464f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-06 20:44:35.788 1 INFO cinder.rpc [None req-223cfa7b-9fab-472b-83eb-0167c07d464f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-06 20:44:35.898 1 WARNING oslo_config.cfg [None req-223cfa7b-9fab-472b-83eb-0167c07d464f - - - - - -] 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. 2026-03-06 20:44:35.899 1 WARNING oslo_config.cfg [None req-223cfa7b-9fab-472b-83eb-0167c07d464f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-06 20:44:35.911 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-03-06 20:44:35.940 1 INFO cinder.backup.manager [None req-113d2433-a164-49f4-8777-09964bef1b66 - - - - - -] Cleaning up incomplete backup operations. 2026-03-06 20:44:36.013 1 INFO cinder.keymgr.migration [None req-56f5d313-c8d9-4a83-82d6-c7c6d265256e - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.