diff --git a/netcard.go b/netcard.go
index 95e5ba9..a5efbd3 100644
--- a/netcard.go
+++ b/netcard.go
@@ -148,7 +148,9 @@ func NewNetTunnel() *NetTunnel {
 		for wbuf := range nt.writer {
 			var frame ethernet.Frame = wbuf
 			copy(frame[0:6], nt.ifmac)
-			log.Printf("ifce write %d %s", len(frame), frame.Destination())
+			log.Printf("ifce write %d  ", len(frame))
+			payload := frame.Payload()
+			log.Println(frame.Source(), net.IP(payload[12:16]).To4(), binary.BigEndian.Uint16(payload[20:22]), frame.Destination(), net.IP(payload[16:20]).To4(), binary.BigEndian.Uint16(payload[22:24]))
 
 			_, err := nt.ifce.Write(frame)
 			if err != nil {