+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-22 18:54:24.563 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-22 18:54:24.863 1 INFO cinder.rpc [None req-b52a3619-5cad-4c6d-91cf-162ad3e6a675 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-22 18:54:24.866 1 INFO cinder.rpc [None req-b52a3619-5cad-4c6d-91cf-162ad3e6a675 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-22 18:54:24.869 1 INFO cinder.rpc [None req-b52a3619-5cad-4c6d-91cf-162ad3e6a675 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-22 18:54:24.872 1 INFO cinder.rpc [None req-b52a3619-5cad-4c6d-91cf-162ad3e6a675 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-22 18:54:24.875 1 INFO cinder.rpc [None req-b52a3619-5cad-4c6d-91cf-162ad3e6a675 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-22 18:54:24.878 1 INFO cinder.rpc [None req-b52a3619-5cad-4c6d-91cf-162ad3e6a675 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-22 18:54:24.943 1 WARNING oslo_config.cfg [None req-b52a3619-5cad-4c6d-91cf-162ad3e6a675 - - - - - -] 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. 2026-04-22 18:54:24.944 1 WARNING oslo_config.cfg [None req-b52a3619-5cad-4c6d-91cf-162ad3e6a675 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-22 18:54:24.958 1 INFO cinder.service [-] Starting cinder-backup node (version 26.2.1) 2026-04-22 18:54:24.993 1 INFO cinder.backup.manager [None req-8e824cbe-a2af-4677-9b73-2392d404617a - - - - - -] Cleaning up incomplete backup operations. 2026-04-22 18:54:25.061 1 INFO cinder.keymgr.migration [None req-d0290725-fb70-4906-8b17-9d4e1433b0cc - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.