+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-03 18:14:20.853 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-03 18:14:21.129 1 INFO cinder.rpc [None req-8184297b-235f-4e42-92cf-2efde8af6783 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-03 18:14:21.131 1 INFO cinder.rpc [None req-8184297b-235f-4e42-92cf-2efde8af6783 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-03 18:14:21.133 1 INFO cinder.rpc [None req-8184297b-235f-4e42-92cf-2efde8af6783 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-03 18:14:21.135 1 INFO cinder.rpc [None req-8184297b-235f-4e42-92cf-2efde8af6783 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-03 18:14:21.138 1 INFO cinder.rpc [None req-8184297b-235f-4e42-92cf-2efde8af6783 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-03 18:14:21.140 1 INFO cinder.rpc [None req-8184297b-235f-4e42-92cf-2efde8af6783 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-03 18:14:21.203 1 WARNING oslo_config.cfg [None req-8184297b-235f-4e42-92cf-2efde8af6783 - - - - - -] 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. 2026-03-03 18:14:21.204 1 WARNING oslo_config.cfg [None req-8184297b-235f-4e42-92cf-2efde8af6783 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-03 18:14:21.212 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-03-03 18:14:21.236 1 INFO cinder.backup.manager [None req-cefa66d1-4553-4ce7-8058-6c3392a51ee5 - - - - - -] Cleaning up incomplete backup operations. 2026-03-03 18:14:21.299 1 INFO cinder.keymgr.migration [None req-fec1d030-504f-486b-8cfc-6c5a9693e0ed - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.