こんな感じ
サーバーのLogWatchね
WARNING: Kernel Errors Present
192.168.0.6 sent an invalid ICMP type 3, code 3 error to a broadcast: ...: 177Time(s)
192.168.0.7 sent an invalid ICMP type 3, code 3 error to a broadcast: ...: 227Time(s)
生のログ(dmesg)は
192.168.0.7 sent an invalid ICMP type 3, code 3 error to a broadcast: 192.168.0.255 on eth0