Comment 14 for bug 1301015

John Talbot (jwtalbot) wrote :

ifupdown does not work if using virtualbox and machine has been cloned - including changing of MAC address during clone process...

Process..
Create new VM in VirtualBox 4.3.12
Install 14.04 server - 64
# sudo ifdown eth0 <- works
# sudo ifup eth0 <- works

Clone machine changing MAC address

# sudo ifdown eth0
# ifdown: interface eth0 not configured <- Output