menuentry "Install s88-t215-tg1" {
    linux    /casper/ubuntu-focal-amd64/vmlinuz ip=dhcp interface=3c:ec:ef:bc:a1:ac url=https://releases.ubuntu.com/20.04.3/ubuntu-20.04.3-live-server-amd64.iso autoinstall ds=nocloud-net\;s=http://10.30.51.28:8081/ubuntu_focal_amd64/3c:ec:ef:bc:a1:ac/ --- console=ttyS0,115200n8 quiet
    initrd   /casper/ubuntu-focal-amd64/initrd
}