+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-28 17:49:45.974 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-28 17:49:46.239 1 INFO cinder.rpc [None req-6bd90d97-337f-42c1-b690-e4484a40b5cc - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-28 17:49:46.242 1 INFO cinder.rpc [None req-6bd90d97-337f-42c1-b690-e4484a40b5cc - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-28 17:49:46.245 1 INFO cinder.rpc [None req-6bd90d97-337f-42c1-b690-e4484a40b5cc - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-28 17:49:46.248 1 INFO cinder.rpc [None req-6bd90d97-337f-42c1-b690-e4484a40b5cc - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-04-28 17:49:46.253 1 INFO cinder.rpc [None req-6bd90d97-337f-42c1-b690-e4484a40b5cc - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-28 17:49:46.259 1 INFO cinder.rpc [None req-6bd90d97-337f-42c1-b690-e4484a40b5cc - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-28 17:49:46.326 1 WARNING oslo_config.cfg [None req-6bd90d97-337f-42c1-b690-e4484a40b5cc - - - - - -] 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. 2026-04-28 17:49:46.328 1 WARNING oslo_config.cfg [None req-6bd90d97-337f-42c1-b690-e4484a40b5cc - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-28 17:49:46.341 1 INFO cinder.service [-] Starting cinder-backup node (version 22.3.1) 2026-04-28 17:49:46.363 1 INFO cinder.backup.manager [None req-e1791f34-3f5c-4e04-94f7-9c1d9e96e233 - - - - - -] Cleaning up incomplete backup operations. 2026-04-28 17:49:46.544 1 INFO cinder.keymgr.migration [None req-2c4201ae-eef1-4635-b9c3-4108fe0c5227 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.