Please help me out with this. I used Fuel v4.0 installer to deploy the Havana on Centos environment (OpenStack). I have the OpenStack 2 NIC deployment in High Availability(HA) mode with 3 controller nodes, one compute node running the nova-network (FlatDHCP manager)networking service. I wanted to shift the current setup to Neutron from nova-network. Back end for glance is swift. I am looking for a way to backup my VM images that are currently used in nova-network so that, it can be used in the Neutron setup?