start := time.Now()
	body := bytesOrLength(req)
	resp, err := c.roundtrip(h, req)
	end := time.Now()
	status := http.StatusOK
	errString := ""
	if err != nil {
		errString = err.Error()
		if IsRemoteErr(err) == nil {
			status = http.StatusInternalServerError
		} else {
			status = http.StatusBadRequest
		}
	}

	prefix := t.Prefix
	if p := handlerPrefixes[h]; p != "" {
		prefix = p
	}