I think this covers everything but suppressing the message completely.
-- -- Ben Hildred Automation Support Services
--- dhcpdump.c.orig 2017-08-29 11:49:40.000000000 -0600
+++ dhcpdump.c 2017-08-29 12:09:05.000000000 -0600
@@ -132,8 +132,8 @@
offset += ETHER_HDR_LEN;
// Check for IPv4 packets
- if (eh->ether_type != 8) {
- printf("Ignored non IPv4 packet: %d\n", eh->ether_type);
+ if (eh->ether_type != htons(0x80)) {
+ printf("Ignored non IPv4 packet: %x\n", ntohs(eh->ether_type));
return;
}
