+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-08 03:59:05.449 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-08 03:59:05.769 1 INFO cinder.rpc [None req-978dc356-52b4-478f-9b5f-eb82447f4a49 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-08 03:59:05.772 1 INFO cinder.rpc [None req-978dc356-52b4-478f-9b5f-eb82447f4a49 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-08 03:59:05.774 1 INFO cinder.rpc [None req-978dc356-52b4-478f-9b5f-eb82447f4a49 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-08 03:59:05.777 1 INFO cinder.rpc [None req-978dc356-52b4-478f-9b5f-eb82447f4a49 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-08 03:59:05.780 1 INFO cinder.rpc [None req-978dc356-52b4-478f-9b5f-eb82447f4a49 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-08 03:59:05.783 1 INFO cinder.rpc [None req-978dc356-52b4-478f-9b5f-eb82447f4a49 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-08 03:59:05.853 1 WARNING oslo_config.cfg [None req-978dc356-52b4-478f-9b5f-eb82447f4a49 - - - - - -] 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. 2026-06-08 03:59:05.854 1 WARNING oslo_config.cfg [None req-978dc356-52b4-478f-9b5f-eb82447f4a49 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-08 03:59:05.865 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-06-08 03:59:05.895 1 INFO cinder.backup.manager [None req-d12e5491-9338-4d1e-a380-976ae8411d83 - - - - - -] Cleaning up incomplete backup operations. 2026-06-08 03:59:05.954 1 INFO cinder.keymgr.migration [None req-8d9bcc8e-6922-49a0-8828-fe1295cdfb63 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.