Flush bucket event is malformed

1. Create bucket and enabled for flush.
2. Flush the bucket and validate actual event with event descriptor
3. Field 'real_userid' is malformed.

Expected event:
{
"id": 8204,
"name": "flush bucket",
"description": "Bucket was flushed",
"sync": false,
"enabled": true,
"mandatory_fields": {
"timestamp": "",
"real_userid":

{ "source": "", "user": "" }

,
"remote":

{ "ip": "", "port": 1 }

,
"bucket_name": ""
},
"optional_fields":

{ "sessionid": "" }

}

Actual Event:
{"bucket_name":"TestBucket","real_userid":"anonymous","remote":

{"ip":"192.168.2.33","port":58908}

,"timestamp":"2015-02-26T09:15:43.917-08:00","id":8204,"name":"flush bucket","description":"Bucket was flushed"}