From f6f5031bfd50899e955a1ec0eb343a55b9543945 Mon Sep 17 00:00:00 2001
From: Anton Keks <anton@codeborne.com>
Date: Fri, 31 Dec 2021 18:06:50 +0200
Subject: [PATCH] #298 try filtering out network interfaces that have no
 associated MAC addresses

---
 src/net/azib/ipscan/util/InetAddressUtils.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/net/azib/ipscan/util/InetAddressUtils.java b/src/net/azib/ipscan/util/InetAddressUtils.java
index b663df10..2323430d 100644
--- a/src/net/azib/ipscan/util/InetAddressUtils.java
+++ b/src/net/azib/ipscan/util/InetAddressUtils.java
@@ -167,6 +167,10 @@ public class InetAddressUtils {
 					.filter(i -> i.getParent() == null && !i.isVirtual()).collect(toList());
 
 			for (NetworkInterface networkInterface : interfaces) {
+				try {
+					if (networkInterface.getHardwareAddress() == null) continue;
+				} catch (SocketException ignore) {}
+
 				for (InterfaceAddress ifAddr : networkInterface.getInterfaceAddresses()) {
 					anyAddress = ifAddr;
 					InetAddress addr = ifAddr.getAddress();