+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-29 02:35:05.184 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-29 02:35:05.404 1 INFO cinder.rpc [None req-0729f070-bc19-4c35-8af5-3a8a150f982a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-29 02:35:05.407 1 INFO cinder.rpc [None req-0729f070-bc19-4c35-8af5-3a8a150f982a - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-29 02:35:05.409 1 INFO cinder.rpc [None req-0729f070-bc19-4c35-8af5-3a8a150f982a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-29 02:35:05.412 1 INFO cinder.rpc [None req-0729f070-bc19-4c35-8af5-3a8a150f982a - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-29 02:35:05.415 1 INFO cinder.rpc [None req-0729f070-bc19-4c35-8af5-3a8a150f982a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-29 02:35:05.417 1 INFO cinder.rpc [None req-0729f070-bc19-4c35-8af5-3a8a150f982a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-29 02:35:05.530 1 WARNING oslo_config.cfg [None req-0729f070-bc19-4c35-8af5-3a8a150f982a - - - - - -] 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. 2026-05-29 02:35:05.531 1 WARNING oslo_config.cfg [None req-0729f070-bc19-4c35-8af5-3a8a150f982a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-29 02:35:05.542 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0) 2026-05-29 02:35:05.559 1 INFO cinder.backup.manager [None req-17d2ea70-24e3-4b9e-bfe7-9ed049786682 - - - - - -] Cleaning up incomplete backup operations. 2026-05-29 02:35:05.609 1 INFO cinder.keymgr.migration [None req-b0104fc5-fae4-4746-9b96-ebd883c23afc - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.