Dummy interface on DebianΒΆ

Append the following text to /etc/network/interfaces. Use the MAC address that you chose earlier for the virtual bridge.

auto virbr10-dummy
iface virbr10-dummy inet manual
    pre-up /sbin/ip link add virbr10-dummy type dummy
    up /sbin/ip link set virbr10-dummy address 52:54:00:7e:27:af