+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-02-27 17:12:29.954 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-02-27 17:12:30.236 1 INFO cinder.rpc [None req-dd594dea-4823-4f45-8d06-2366dc29ef0e - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-02-27 17:12:30.239 1 INFO cinder.rpc [None req-dd594dea-4823-4f45-8d06-2366dc29ef0e - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-02-27 17:12:30.241 1 INFO cinder.rpc [None req-dd594dea-4823-4f45-8d06-2366dc29ef0e - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-02-27 17:12:30.243 1 INFO cinder.rpc [None req-dd594dea-4823-4f45-8d06-2366dc29ef0e - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-02-27 17:12:30.245 1 INFO cinder.rpc [None req-dd594dea-4823-4f45-8d06-2366dc29ef0e - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-02-27 17:12:30.247 1 INFO cinder.rpc [None req-dd594dea-4823-4f45-8d06-2366dc29ef0e - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-02-27 17:12:31.293 1 WARNING oslo_config.cfg [None req-dd594dea-4823-4f45-8d06-2366dc29ef0e - - - - - -] 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. 2026-02-27 17:12:31.295 1 WARNING oslo_config.cfg [None req-dd594dea-4823-4f45-8d06-2366dc29ef0e - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-02-27 17:12:31.304 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-02-27 17:12:31.532 1 INFO cinder.backup.manager [None req-7919314e-b1a0-4fde-8a01-9093095c79d4 - - - - - -] Cleaning up incomplete backup operations. 2026-02-27 17:12:31.604 1 INFO cinder.keymgr.migration [None req-913103a0-4b5c-4533-8117-40ec8c0562a2 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.