KVM Nested Client

auto enp1s0
iface enp1s0 inet manual

auto vmbr0
iface vmbr0 inet static
        address 10.0.12.101/24
        gateway 10.0.12.1
        post-up ip link set dev vmbr0 address 12:34:56:78:9a:a1
        bridge-ports enp1s0
        bridge-stp off
        bridge-fd 0