Container creation returns 500 for a BadRequest. Expected error code: 400

Container creation returns 500 for a BadRequest. Expected error code: 400

Here's the post data for container create request which violates the DB integrity constraints (secret_ref not unique).

containerpostdata:

{
  "name": "my rsakey",
  "type": "rsa",
  "secret_refs": [
    {
       "name": "public_key",
        "secret_ref": "http://localhost:9311/v1/3d90e76b1a834657859bbb2ab94a3faf/secrets/1fd98b1a-858e-41ee-81f4-b0b36ba143f2"
        },
    {
       "name": "private_key",
        "secret_ref": "http://localhost:9311/v1/3d90e76b1a834657859bbb2ab94a3faf/secrets/78231ddc-d0a1-4b8c-8aa2-10b1a5dba96b"
    },
    {
       "name": "private_key_passphrase",
        "secret_ref": "http://localhost:9311/v1/3d90e76b1a834657859bbb2ab94a3faf/secrets/1fd98b1a-858e-41ee-81f4-b0b36ba143f2"
    }
  ]
}

curl -i http://localhost:9311/v1/3d90e76b1a834657859bbb2ab94a3faf/containers -H "X-Auth-Token:63179d26f81541159d579232dc8c13f9" -XPOST -d @containerpostdata -H "Content-Type: application/json"
HTTP/1.1 500 Internal Server Error
Content-Type: text/html; charset=UTF-8
Content-Length: 134

{"code": 500, "description": "Container creation failure seen - please contact site administrator.", "title": "Internal Server Error"}