Re: qemu does not start
Hi, it's an old post, but hope it helps you.
}} warning: could not configure /dev/net/tun: no virtual network emulation
}} Could not initialize device 'tap'
(in italian; to see translated in english :
Probably the problem is the interface tun0.
# tunctl -u 'user' -t tun0
If i remember well, you need to create it for the 'user' that UML will be run as.