error handle

main.go

@@ -70,12 +70,20 @@ func sInit(os string) *targetInfo {
 	return &tInfo
 }
 
+func openCapture(tInfo *targetInfo) *pcap.Handle {
+	for {
+		handle, err := pcap.OpenLive(tInfo.iFace, tInfo.snaplen, true, pcap.BlockForever)
+		if err == nil {
+			return handle
+		}
+	}
+}
+
 func main() {
 	tInfo := sInit(runtime.GOOS)
 
 	// Read package and analze them
-	handle, err := pcap.OpenLive(tInfo.iFace, tInfo.snaplen, true, pcap.BlockForever)
-	errorPrinter(err)
+	handle := openCapture(tInfo)
 
 	handle.SetBPFFilter(tInfo.filter)
 	packets := gopacket.NewPacketSource(handle, handle.LinkType()).Packets()