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