test 1b826c23-8767-47ad-a6b5-c83a88277f71 4194304 4194304 2 hvm /usr/share/edk2/aarch64/QEMU_EFI-silent-pflash.raw /some/user/nvram/path/guest_VARS.fd destroy restart restart /usr/bin/qemu-system-aarch64 /dev/urandom