+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-21 17:34:02.635 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-21 17:34:02.879 1 INFO cinder.rpc [None req-98f1ef42-736b-445a-a84e-cead2f46674d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-21 17:34:02.882 1 INFO cinder.rpc [None req-98f1ef42-736b-445a-a84e-cead2f46674d - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-04-21 17:34:02.885 1 INFO cinder.rpc [None req-98f1ef42-736b-445a-a84e-cead2f46674d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-21 17:34:02.889 1 INFO cinder.rpc [None req-98f1ef42-736b-445a-a84e-cead2f46674d - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-04-21 17:34:02.893 1 INFO cinder.rpc [None req-98f1ef42-736b-445a-a84e-cead2f46674d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-21 17:34:02.896 1 INFO cinder.rpc [None req-98f1ef42-736b-445a-a84e-cead2f46674d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-21 17:34:02.946 1 WARNING oslo_config.cfg [None req-98f1ef42-736b-445a-a84e-cead2f46674d - - - - - -] 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. 2026-04-21 17:34:02.948 1 WARNING oslo_config.cfg [None req-98f1ef42-736b-445a-a84e-cead2f46674d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-21 17:34:02.959 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-04-21 17:34:02.978 1 INFO cinder.backup.manager [None req-157590ae-d8d1-4eaa-9287-cd2b21baeecb - - - - - -] Cleaning up incomplete backup operations. 2026-04-21 17:34:03.103 1 INFO cinder.keymgr.migration [None req-083166a7-889c-4530-bca3-ae7732644729 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.