virt-install \
--name ubuntu2204 \
--ram 4096 \
--disk path=/var/kvm/images/ubuntu2204.img,size=20 \
--vcpus 2 \
--os-variant ubuntu22.04 \
--network bridge=br0 \
--graphics none \
--console pty,target_type=serial \
--location /home/ubuntu-22.04-live-server-amd64.iso,kernel=casper/vmlinuz,initrd=casper/initrd \
--extra-args 'console=ttyS0,115200n8