+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-08 18:46:18.756 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-08 18:46:18.994 1 INFO cinder.rpc [None req-c6ad49f9-8df2-4645-8f1d-08a350acf8de - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-08 18:46:18.997 1 INFO cinder.rpc [None req-c6ad49f9-8df2-4645-8f1d-08a350acf8de - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-05-08 18:46:19.000 1 INFO cinder.rpc [None req-c6ad49f9-8df2-4645-8f1d-08a350acf8de - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-08 18:46:19.003 1 INFO cinder.rpc [None req-c6ad49f9-8df2-4645-8f1d-08a350acf8de - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-08 18:46:19.007 1 INFO cinder.rpc [None req-c6ad49f9-8df2-4645-8f1d-08a350acf8de - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-08 18:46:19.011 1 INFO cinder.rpc [None req-c6ad49f9-8df2-4645-8f1d-08a350acf8de - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-08 18:46:19.072 1 WARNING oslo_config.cfg [None req-c6ad49f9-8df2-4645-8f1d-08a350acf8de - - - - - -] 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. 2026-05-08 18:46:19.074 1 WARNING oslo_config.cfg [None req-c6ad49f9-8df2-4645-8f1d-08a350acf8de - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-08 18:46:19.086 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-05-08 18:46:19.106 1 INFO cinder.backup.manager [None req-d0103d3e-ed48-46f0-b865-7ee6a9f643ec - - - - - -] Cleaning up incomplete backup operations. 2026-05-08 18:46:19.237 1 INFO cinder.keymgr.migration [None req-bb46aed2-0bb3-4b20-ac75-a04b60c45587 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.