fmt.Fprintf(&buf, format, args...)
		buf.WriteByte('\n')
	}

	req, _ := NewRequest("GET", "http://dns-should-not-resolve.golang:80", nil)
	trace := &httptrace.ClientTrace{
		DNSStart:     func(e httptrace.DNSStartInfo) { logf("DNSStart: %+v", e) },
		DNSDone:      func(e httptrace.DNSDoneInfo) { logf("DNSDone: %+v", e) },
		ConnectStart: func(network, addr string) { logf("ConnectStart: %s %s", network, addr) },