File build/qemu/root/bin/init-networking from the latest check-in

#! /bin/tclkit

package require tuapi

::tuapi::ifconfig eth0 address 10.0.2.15 netmask 255.255.255.0 flags {BROADCAST MULTICAST UP}
::tuapi::syscall::route add 0.0.0.0 0.0.0.0 gateway 10.0.2.2 dev eth0

file mkdir /etc   
set fd [open /etc/resolv.conf w]
puts $fd "nameserver 10.0.2.3"
close $fd