Test bellow is targeting two potential problems :-
1. Creating HAProxyKeepalived 3 Node Controller in RDO Mitaka with router
supporting VRRP && DVR at a time per https://github.com/beekhof/osp-ha-deploy/blob/master/HA-keepalived.md in regards of using DVR on Compute nodes along with SNAT_DVR on HA 3 Node Controller. 2. Creating DVR system working with two flat external networks. See
http://blog.oddbit.com/2014/05/28/multiple-external-networks-wit/
Complete text may be seen here