<cpu mode='custom' match='exact'>
  <model fallback='forbid'>Westmere</model>
  <vendor>Intel</vendor>
  <feature policy='require' name='hypervisor'/>
  <feature policy='require' name='avx'/>
  <feature policy='require' name='osxsave'/>
  <feature policy='require' name='xsave'/>
  <feature policy='require' name='tsc-deadline'/>
  <feature policy='require' name='x2apic'/>
  <feature policy='require' name='pcid'/>
  <feature policy='require' name='pclmuldq'/>
  <feature policy='require' name='ss'/>
  <feature policy='require' name='vme'/>
</cpu>
