Currently if PHYSICAL_NETWORK and PUBLIC_PHYSICAL_NETWORK are
same then duplicate entry is created in ml2_conf.ini like below:
flat_networks = public,public,
With this patch, if PHYSICAL_NETWORK and PUBLIC_PHYSICAL_NETWORK
are same then add only PHYSICAL_NETWORK to flat_networks in
ml2_conf.ini
Change-Id: Iae4d1ee3882f6d96b4e4abd52ecc673a620563b5
Closes-Bug: #1654148