<domain type='qemu'>
  <name>guest</name>
  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
  <memory unit='KiB'>524288</memory>
  <vcpu placement='static'>1</vcpu>
  <os>
    <type arch='x86_64' machine='pc'>hvm</type>
  </os>
  <devices>
    <emulator>/usr/bin/qemu-system-x86_64</emulator>
    <controller type='usb' model='none'/>
    <!-- The pl011 serial console can only be used for mach-virt guests,
         so this should be rejected -->
    <serial type='pty'>
      <target type='system-serial'>
        <model name='pl011'/>
      </target>
    </serial>
    <memballoon model='none'/>
  </devices>
</domain>