fdio.infra.pxe/docker-dnsmasq/tftpboot/grub/grub.cfg-b4:2e:99:ab:1d:dc

   1 menuentry "Install s56-t14-sut1" {
   2     linux    /casper/ubuntu-focal-arm64/vmlinuz ip=dhcp interface=b4:2e:99:ab:1d:dc url=http://10.30.51.20:8081/ubuntu_focal_arm64/ubuntu-20.04.4-live-server-arm64.iso autoinstall ds=nocloud-net\;s=http://10.30.51.20:8081/ubuntu_focal_arm64/b4:2e:99:ab:1d:dc/ --- console=ttyAMA0,115200n8 quiet
   3     initrd   /casper/ubuntu-focal-arm64/initrd
   4 }