set logging class virtio level debug

create interface virtio 0000:00:06.0
create interface virtio 0000:00:07.0

set interface state virtio-0/0/6/0 up
set interface state virtio-0/0/7/0 up

set interface ip address virtio-0/0/6/0 1.1.1.1/30
set interface ip address virtio-0/0/7/0 1.1.2.1/30

ip route add 10.0.0.0/8 via 1.1.1.2 virtio-0/0/6/0
ip route add 20.0.0.0/8 via 1.1.2.2 virtio-0/0/7/0

show logging

show version