+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-06 14:44:03.072 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-06 14:44:03.356 1 INFO cinder.rpc [None req-d2007e67-95f9-431d-8ea9-1c8044995bfb - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-06 14:44:03.358 1 INFO cinder.rpc [None req-d2007e67-95f9-431d-8ea9-1c8044995bfb - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-06 14:44:03.360 1 INFO cinder.rpc [None req-d2007e67-95f9-431d-8ea9-1c8044995bfb - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-06 14:44:03.362 1 INFO cinder.rpc [None req-d2007e67-95f9-431d-8ea9-1c8044995bfb - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-06 14:44:03.365 1 INFO cinder.rpc [None req-d2007e67-95f9-431d-8ea9-1c8044995bfb - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-06 14:44:03.367 1 INFO cinder.rpc [None req-d2007e67-95f9-431d-8ea9-1c8044995bfb - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-06 14:44:03.430 1 WARNING oslo_config.cfg [None req-d2007e67-95f9-431d-8ea9-1c8044995bfb - - - - - -] 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. 2026-05-06 14:44:03.431 1 WARNING oslo_config.cfg [None req-d2007e67-95f9-431d-8ea9-1c8044995bfb - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-06 14:44:03.441 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-06 14:44:03.464 1 INFO cinder.backup.manager [None req-035a3d54-adf3-4273-99c8-193eebcd3bfd - - - - - -] Cleaning up incomplete backup operations. 2026-05-06 14:44:03.522 1 INFO cinder.keymgr.migration [None req-e4228748-cecf-4a7e-aea4-ab2f2e351f51 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.