<domain type='qemu'>
  <name>guest</name>
  <uuid>63840878-0deb-4095-97e6-fc444d9bc9fa</uuid>
  <memory unit='KiB'>1048576</memory>
  <vcpu placement='static'>1</vcpu>
  <os>
    <type arch='x86_64' machine='pc-i440fx-4.0'>hvm</type>
    <loader>/usr/share/seabios/bios.bin</loader>
  </os>
  <devices>
   <emulator>/usr/bin/qemu-system-x86_64</emulator>
    <controller type='usb' model='none'/>
    <memballoon model='none'/>
  </devices>
</domain>