menuentry "Install s89-t39t310-tg1" {
    linux    /casper/ubuntu-jammy-amd64/vmlinuz ip=dhcp interface=3c:ec:ef:b9:cc:44 url=https://releases.ubuntu.com/22.04/ubuntu-22.04.1-live-server-amd64.iso autoinstall ds=nocloud-net\;s=http://10.30.51.20:8081/ubuntu_jammy_amd64/3c:ec:ef:b9:cc:44/ --- console=ttyS0,115200n8 quiet
    initrd   /casper/ubuntu-jammy-amd64/initrd
}