From 749229fa367aed0bb14822a4e2fbbf112d06033e Mon Sep 17 00:00:00 2001
From: Håkon Nessjøen <haakon.nessjoen@gmail.com>
Date: Wed, 3 Nov 2010 03:12:11 +0100
Subject: Skip loopback interfaces. They seldom/never have a MAC address, and
 you probably won't run a MAC-Telnet server there. Speeds up autodetect.

---
 mactelnet.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mactelnet.c b/mactelnet.c
index 762d7b5..7f60712 100644
--- a/mactelnet.c
+++ b/mactelnet.c
@@ -247,6 +247,11 @@ int findInterface() {
 	while (success = getIps(devicename, 128, &myip)) {
 		char str[INET_ADDRSTRLEN];
 
+		/* Skip loopback interfaces */
+		if (memcmp("lo", devicename, 2) == 0) {
+			continue;
+		}
+
 		inet_ntop(AF_INET, &(myip.sin_addr), str, INET_ADDRSTRLEN);
 
 		/* Initialize receiving socket on the device chosen */
-- 
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