--- arp.c.orig	2011-04-24 10:03:53.000000000 +0200
+++ arp.c	2011-04-24 10:04:03.000000000 +0200
@@ -368,7 +368,7 @@
     do {
       pthread_testcancel();
       /* Sleep a bit in order not to overload the system */
-      usleep(300);
+      usleep(3000);
 
       if (arp_recv(sock, &frame) <= 0)
     	    continue;