from--https://www.furorteutonicus.eu/2013-08-04-enabling-host-guest-networking-with-kvm-macvlan-and-macvtap eth0 The perfect setup, nearly (Updated on 2020-07-06.) You installed your Linux server and naturally selected KVM (Kernel Virtual Machine) as hypervisor. Using virt-manager, you also created one or more guest VMs (Virtual Machines). You want fast networking. So you …