win10 8165c981-4485-4d13-8827-bf03a7c90ad1 win10 16777216 16777216 12 hvm /usr/share/OVMF/OVMF_CODE_4M.ms.fd /var/lib/libvirt/qemu/nvram/win10_VARS.fd destroy restart destroy /usr/bin/qemu-system-x86_64