Ok, small problem here. I removed some ips from my free bsd box, ifconfig conferms that they are not added anymore. When I add it to a new box and ping it from the old box, I get this nice little error:
Oct 16 18:22:44 pluto /kernel: arp: 128.242.181.20 is on lo0 but got reply from 00:08:c7:ea:17:47 on tl0
