Add correct release name to test settings

Change-Id: I784e0283e0e7388a16c496bd7ad7d66fe369178a
Ceph build tweaks. Do not merge.

Change-Id: If7f369078f5e1b559a2ec2aa9429f3759e037ba4
Allow NAT_USE_DHCP option

Add NAT_USE_DHCP option to enable DHCP server on NAT interface for
 those that use it.

Change-Id: Iadac4a2db3e5f71df2a22327994c0b0a73572d41
Revert "remove dublication for internal_net"

This reverts commit e40a35e79b13de15ecae880160a7666b8f36c11e.