+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-11 21:32:31.316 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-11 21:32:31.625 1 INFO cinder.rpc [None req-5e945421-cc2d-4b67-9561-2b2990beec82 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-11 21:32:31.627 1 INFO cinder.rpc [None req-5e945421-cc2d-4b67-9561-2b2990beec82 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-11 21:32:31.629 1 INFO cinder.rpc [None req-5e945421-cc2d-4b67-9561-2b2990beec82 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-11 21:32:31.632 1 INFO cinder.rpc [None req-5e945421-cc2d-4b67-9561-2b2990beec82 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-11 21:32:31.635 1 INFO cinder.rpc [None req-5e945421-cc2d-4b67-9561-2b2990beec82 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-11 21:32:31.637 1 INFO cinder.rpc [None req-5e945421-cc2d-4b67-9561-2b2990beec82 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-11 21:32:31.714 1 WARNING oslo_config.cfg [None req-5e945421-cc2d-4b67-9561-2b2990beec82 - - - - - -] 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. 2026-05-11 21:32:31.716 1 WARNING oslo_config.cfg [None req-5e945421-cc2d-4b67-9561-2b2990beec82 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-11 21:32:31.726 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-11 21:32:31.750 1 INFO cinder.backup.manager [None req-fb538609-751f-4bb6-ab5d-1b01470e8a19 - - - - - -] Cleaning up incomplete backup operations. 2026-05-11 21:32:31.823 1 INFO cinder.keymgr.migration [None req-9af513fa-2446-4e17-a855-711a5a7514ba - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.