Looks like a common issue: http://serverfault.com/questions/437078/mac-address-changed http://comments.gmane.org/gmane.linux.network/313360 http://www.computerbase.de/forum/showthread.php?t=953650
** Changed in: linux-lts-trusty (Ubuntu) Assignee: Anthony Wong (anthonywong) => Liming Wang (wangliming) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1358704 Title: Atheros AR8161[1969:1091] and AR8162 [1969:1090] mac address would change after powered off for a while To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1358704/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs