ubuntu-20-04 8dc5433c-0228-49e4-b019-fa2b606aa544 Ubuntu 20.04 desktop installation 4194304 4194304 2 hvm /usr/share/edk2-ovmf/x64/OVMF_CODE.fd /var/lib/libvirt/nvram/guest_VARS.fd destroy restart destroy /usr/bin/qemu-system-x86_64