menuentry "Install s56-t14-sut1" {
    linux    /casper/ubuntu-focal-arm64/vmlinuz ip=dhcp interface=b4:2e:99:ab:1d:dc url=http://10.30.51.28:8081/ubuntu_focal_arm64/ubuntu-20.04.4-live-server-arm64.iso autoinstall ds=nocloud-net\;s=http://10.30.51.28:8081/ubuntu_focal_arm64/b4:2e:99:ab:1d:dc/ --- console=ttyAMA0,115200n8 quiet
    initrd   /casper/ubuntu-focal-arm64/initrd
}