Create controller with virt install

mkdir /iso

mkdir /volumes

wget http://ubuntu.bhs.mirrors.ovh.net/ubuntu-releases/16.04.4/ubuntu-16.04.4-server-amd64.iso

cd /volumes

qemu-img create -f qcow2 controller.qcow2 10G

virt-install
--name controller1
--ram 4096
--disk path=/volumes/controller.qcow2
--vcpus 1
--os-type linux
--os-variant ubuntu16.04
--network bridge=br0,model=virtio
--graphics none
--console pty,target_type=serial
--location /iso/ubuntu-16.04.4-server-amd64.iso
--extra-args console=ttyS0

Go through set-up virsh -c qemu:///session to connect to virtualization terminal console connec