+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-10 04:22:36.225 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-10 04:22:36.503 1 INFO cinder.rpc [None req-d895d9e8-9d09-4f4c-9f32-745b9554f404 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-10 04:22:36.505 1 INFO cinder.rpc [None req-d895d9e8-9d09-4f4c-9f32-745b9554f404 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-10 04:22:36.508 1 INFO cinder.rpc [None req-d895d9e8-9d09-4f4c-9f32-745b9554f404 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-10 04:22:36.510 1 INFO cinder.rpc [None req-d895d9e8-9d09-4f4c-9f32-745b9554f404 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-10 04:22:36.512 1 INFO cinder.rpc [None req-d895d9e8-9d09-4f4c-9f32-745b9554f404 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-10 04:22:36.515 1 INFO cinder.rpc [None req-d895d9e8-9d09-4f4c-9f32-745b9554f404 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-10 04:22:36.581 1 WARNING oslo_config.cfg [None req-d895d9e8-9d09-4f4c-9f32-745b9554f404 - - - - - -] 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. 2026-04-10 04:22:36.582 1 WARNING oslo_config.cfg [None req-d895d9e8-9d09-4f4c-9f32-745b9554f404 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-10 04:22:36.591 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-10 04:22:36.615 1 INFO cinder.backup.manager [None req-4805462c-6974-4cbf-b79a-595000c7070b - - - - - -] Cleaning up incomplete backup operations. 2026-04-10 04:22:36.671 1 INFO cinder.keymgr.migration [None req-76080d79-4542-447f-ba01-be07f02f93aa - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.