http://qb5.2ch.net/test/read.cgi/operate/1197743040/51-56
その間の動きは、
arp: 207.29.253.230 moved from 00:19:d1:a4:cd:13 to 00:19:d1:a4:cd:11 on em0
arp: 207.29.253.230 moved from 00:19:d1:a4:cd:11 to 00:19:d1:a4:cd:13 on em0
arp: 207.29.253.230 moved from 00:19:d1:a4:cd:13 to 00:19:d1:a4:cd:11 on em0
arp: 207.29.253.230 moved from 00:19:d1:a4:cd:11 to 00:19:d1:a4:cd:13 on em0
arp: 207.29.253.230 moved from 00:19:d1:a4:cd:13 to 00:16:76:b0:32:15 on em0 <= これはrc.local の設定
やはり、変わるのか、、、。