or when using a loopback cable
- the dest MAC as specified by the configuration file (EXT chain no ARP)
- the dest MAC as discovered by ARP (EXT chain)
+- the router MAC as discovered from Neutron API (PVPL3 chain)
- the VM MAC as dicovered from Neutron API (PVP, PVVP chains)
NFVbench does not currently range on the MAC addresses.