+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-06-10 10:18:10.072 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-06-10 10:18:10.400 1 INFO cinder.rpc [None req-450c980a-4327-44fc-a62f-5f4c05801783 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-06-10 10:18:10.402 1 INFO cinder.rpc [None req-450c980a-4327-44fc-a62f-5f4c05801783 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-06-10 10:18:10.405 1 INFO cinder.rpc [None req-450c980a-4327-44fc-a62f-5f4c05801783 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-06-10 10:18:10.407 1 INFO cinder.rpc [None req-450c980a-4327-44fc-a62f-5f4c05801783 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-06-10 10:18:10.412 1 INFO cinder.rpc [None req-450c980a-4327-44fc-a62f-5f4c05801783 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-06-10 10:18:10.416 1 INFO cinder.rpc [None req-450c980a-4327-44fc-a62f-5f4c05801783 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-06-10 10:18:10.492 1 WARNING oslo_config.cfg [None req-450c980a-4327-44fc-a62f-5f4c05801783 - - - - - -] 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. 2026-06-10 10:18:10.493 1 WARNING oslo_config.cfg [None req-450c980a-4327-44fc-a62f-5f4c05801783 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-06-10 10:18:10.503 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-06-10 10:18:10.531 1 INFO cinder.backup.manager [None req-40b624a6-b285-4d3a-9401-4aadb5113cd1 - - - - - -] Cleaning up incomplete backup operations. 2026-06-10 10:18:10.607 1 INFO cinder.keymgr.migration [None req-b298430b-3ef3-48b8-8d44-a223c4de627b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.