I just tried Steve's theory of dhclient not being stopped when doing ifdown. dhclient is properly stopped (tested on current Feisty). Fabio, you said that you could reproduce this, can you please paste a recipe here?
** Changed in: dhcp3 (Ubuntu) Importance: High => Medium Status: In Progress => Needs Info Target: ubuntu-6.06 => None -- (Dapper) can't create /var/lib/dhcp3/dhclient.eth0.leases: Permission denied https://launchpad.net/bugs/39249 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs