<cpu mode='custom' match='exact'>
  <model fallback='forbid'>SandyBridge-IBRS</model>
  <vendor>Intel</vendor>
  <feature policy='require' name='vme'/>
  <feature policy='require' name='ss'/>
  <feature policy='require' name='pcid'/>
  <feature policy='require' name='hypervisor'/>
  <feature policy='require' name='arat'/>
  <feature policy='require' name='tsc_adjust'/>
  <feature policy='require' name='stibp'/>
  <feature policy='require' name='ssbd'/>
  <feature policy='require' name='xsaveopt'/>
  <feature policy='require' name='pdpe1gb'/>
</cpu>
