BulkIndex failing to capture errors about elastigo HOT 6 CLOSED

httpStatusCode, body, err = req.Do(&response)

    if err != nil {
        return body, err
    }
    if httpStatusCode > 304 {

// This does the actual send of a buffer, which has already been formatted
// into bytes of ES formatted bulk data
func BulkSend(buf *bytes.Buffer) error {

    type responseStruct struct {
        Took   int64                    `json:"took"`
        Errors bool                     `json:"errors"`
        Items  []map[string]interface{} `json:"items"`
    }

    response := responseStruct{}

    body, err := api.DoCommand("POST", "/_bulk", nil, buf)

    if err != nil {
        BulkErrorCt += 1
        return err
    }
    // check for response errors, bulk insert will give 200 OK but then include errors in response
    jsonErr := json.Unmarshal(body, &response)
    if jsonErr == nil {
        if response.Errors {
            BulkErrorCt += uint64(len(response.Items))
            return fmt.Errorf("Bulk Insertion Error. Failed item count [%d]", len(response.Items))
        }
    }
    return nil
}