File arpwatch-no-source-zero.dif of Package arpwatch

--- arpwatch-2.1a11/arpwatch.c
+++ arpwatch-2.1a11/arpwatch.c
@@ -378,6 +378,12 @@
 	/* Source ip address */
 	BCOPY(SPA(ea), &sia, 4);
 
+	/* dhcp broadcasts source from 0.0.0.0 - ignore */
+	if (sia == 0) {
+		dosyslog(LOG_INFO, "0-source", sia, sea, sha);
+		return;
+	}
+
 	/* Watch for bogons */
 	if (isbogon(sia)) {
 		dosyslog(LOG_INFO, "bogon", sia, sea, sha);