docker删除远程仓库镜像

curl  -X DELETE http://registry.test.cn:5000/v2/grafana/manifests/v3.11.82
或者
curl  -X DELETE http://registry.test.cn:5000/v2/grafana/manifests/sha256:2d6ff127dd79779c7a4c0e42975ddec4d7243019946e0a53084c8107a736f9e5

{"errors":[{"code":"UNSUPPORTED","message":"The operation is unsupported."}]}