+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-04 19:55:36.754 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-04 19:55:37.041 1 INFO cinder.rpc [None req-985e4faa-d649-451e-adbc-b9563fa2a653 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-04 19:55:37.046 1 INFO cinder.rpc [None req-985e4faa-d649-451e-adbc-b9563fa2a653 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-04 19:55:37.049 1 INFO cinder.rpc [None req-985e4faa-d649-451e-adbc-b9563fa2a653 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-04 19:55:37.052 1 INFO cinder.rpc [None req-985e4faa-d649-451e-adbc-b9563fa2a653 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-04 19:55:37.057 1 INFO cinder.rpc [None req-985e4faa-d649-451e-adbc-b9563fa2a653 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-04 19:55:37.062 1 INFO cinder.rpc [None req-985e4faa-d649-451e-adbc-b9563fa2a653 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-04 19:55:37.133 1 WARNING oslo_config.cfg [None req-985e4faa-d649-451e-adbc-b9563fa2a653 - - - - - -] 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. 2026-06-04 19:55:37.134 1 WARNING oslo_config.cfg [None req-985e4faa-d649-451e-adbc-b9563fa2a653 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-04 19:55:37.145 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-06-04 19:55:37.172 1 INFO cinder.backup.manager [None req-03aecc74-a980-43c1-a5b5-b1d120c2c689 - - - - - -] Cleaning up incomplete backup operations. 2026-06-04 19:55:37.214 1 INFO cinder.keymgr.migration [None req-7ac4aaaf-ef0f-4f02-92d5-b56920552170 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.