Provide multi_host support for Quantum
This is in the works up stream - https://blueprints.launchpad.net/quantum/+spec/quantum-multihost
it is not available in Havana, pushing for RHOS 5.0
No work was done on this during the Icehouse cycle, and upstream is now focused on DVR and VRRP blueprints to achieve HA for the l3-agent. I am leaving this bug open to track the original upstream blueprint which is currently not targeted to a specific version. Nir
DVR was merged in Juno / OSP 6.