+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-28 22:49:29.092 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-28 22:49:29.376 1 INFO cinder.rpc [None req-480c9ded-fe56-457b-971f-b6b3e4a381ee - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-28 22:49:29.379 1 INFO cinder.rpc [None req-480c9ded-fe56-457b-971f-b6b3e4a381ee - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-04-28 22:49:29.382 1 INFO cinder.rpc [None req-480c9ded-fe56-457b-971f-b6b3e4a381ee - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-28 22:49:29.385 1 INFO cinder.rpc [None req-480c9ded-fe56-457b-971f-b6b3e4a381ee - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-04-28 22:49:29.388 1 INFO cinder.rpc [None req-480c9ded-fe56-457b-971f-b6b3e4a381ee - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-28 22:49:29.392 1 INFO cinder.rpc [None req-480c9ded-fe56-457b-971f-b6b3e4a381ee - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-28 22:49:29.450 1 WARNING oslo_config.cfg [None req-480c9ded-fe56-457b-971f-b6b3e4a381ee - - - - - -] 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. 2026-04-28 22:49:29.452 1 WARNING oslo_config.cfg [None req-480c9ded-fe56-457b-971f-b6b3e4a381ee - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-28 22:49:29.466 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-04-28 22:49:29.488 1 INFO cinder.backup.manager [None req-c68ca3e3-e0c7-4f0d-be15-b68d18161ce4 - - - - - -] Cleaning up incomplete backup operations. 2026-04-28 22:49:29.657 1 INFO cinder.keymgr.migration [None req-09db614d-915b-4ea0-8020-19913397b4e6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.