The devcloud-kvm.py script will take the kvm.properties file to generate
an advanced zone configuration with two physical networks with traffic
labels for 'guest' and 'public' traffic going on 'eth0' and 'eth1'
respectively.
To generate config:
$ python devcloud-kvm.py -i kvm.properties -o devcloud-kvm-advanced.cfg
Signed-off-by: Prasanna Santhanam <tsp@apache.org>