a little tip how to fix miqi ethernet address easily to prevent random ip address retrieving from DHCP
just use nano or vi with sudo and add following lines to the /etc/rc.local
ip link set dev eth0 down
ip link set dev eth0 address 00:00:22:22:44:44
if [ $(/etc/init.d/network-manager status | grep -c active) -eq 1 ]; then /etc/init.d/network-manager restart; fi
where 00:00:22:22:44:44 is an address you wanna fix for MiQi