+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-23 16:49:50.776 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-23 16:49:51.049 1 INFO cinder.rpc [None req-f21a8b3e-b4c5-4f7f-9243-e2bee60d4805 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-23 16:49:51.053 1 INFO cinder.rpc [None req-f21a8b3e-b4c5-4f7f-9243-e2bee60d4805 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-23 16:49:51.055 1 INFO cinder.rpc [None req-f21a8b3e-b4c5-4f7f-9243-e2bee60d4805 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-23 16:49:51.057 1 INFO cinder.rpc [None req-f21a8b3e-b4c5-4f7f-9243-e2bee60d4805 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-23 16:49:51.060 1 INFO cinder.rpc [None req-f21a8b3e-b4c5-4f7f-9243-e2bee60d4805 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-23 16:49:51.063 1 INFO cinder.rpc [None req-f21a8b3e-b4c5-4f7f-9243-e2bee60d4805 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-23 16:49:51.133 1 WARNING oslo_config.cfg [None req-f21a8b3e-b4c5-4f7f-9243-e2bee60d4805 - - - - - -] 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. 2026-04-23 16:49:51.135 1 WARNING oslo_config.cfg [None req-f21a8b3e-b4c5-4f7f-9243-e2bee60d4805 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-23 16:49:51.146 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-23 16:49:51.171 1 INFO cinder.backup.manager [None req-b26e539b-f600-4320-a9ce-93b39a5fbdeb - - - - - -] Cleaning up incomplete backup operations. 2026-04-23 16:49:51.233 1 INFO cinder.keymgr.migration [None req-1c637005-cf44-4af5-90ab-bec1356f9d9a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.