+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-11 18:20:25.857 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-11 18:20:26.128 1 INFO cinder.rpc [None req-e6c9b5ec-b2af-42e2-91dd-753639316334 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-11 18:20:26.131 1 INFO cinder.rpc [None req-e6c9b5ec-b2af-42e2-91dd-753639316334 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-11 18:20:26.134 1 INFO cinder.rpc [None req-e6c9b5ec-b2af-42e2-91dd-753639316334 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-11 18:20:26.136 1 INFO cinder.rpc [None req-e6c9b5ec-b2af-42e2-91dd-753639316334 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-11 18:20:26.139 1 INFO cinder.rpc [None req-e6c9b5ec-b2af-42e2-91dd-753639316334 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-11 18:20:26.142 1 INFO cinder.rpc [None req-e6c9b5ec-b2af-42e2-91dd-753639316334 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-11 18:20:26.202 1 WARNING oslo_config.cfg [None req-e6c9b5ec-b2af-42e2-91dd-753639316334 - - - - - -] 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. 2026-05-11 18:20:26.203 1 WARNING oslo_config.cfg [None req-e6c9b5ec-b2af-42e2-91dd-753639316334 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-11 18:20:26.212 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-11 18:20:26.237 1 INFO cinder.backup.manager [None req-037cb91c-d848-4e41-9b74-0ddef7aaa0ef - - - - - -] Cleaning up incomplete backup operations. 2026-05-11 18:20:26.292 1 INFO cinder.keymgr.migration [None req-d4465588-525a-4b46-8b13-31f97a3fc760 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.