<cpu mode='custom' match='exact'>
  <model fallback='forbid'>Skylake-Server-IBRS</model>
  <vendor>Intel</vendor>
  <feature policy='require' name='ss'/>
  <feature policy='require' name='vmx'/>
  <feature policy='require' name='hypervisor'/>
  <feature policy='require' name='tsc_adjust'/>
  <feature policy='require' name='clflushopt'/>
  <feature policy='require' name='umip'/>
  <feature policy='require' name='pku'/>
  <feature policy='require' name='md-clear'/>
  <feature policy='require' name='stibp'/>
  <feature policy='require' name='arch-capabilities'/>
  <feature policy='require' name='ssbd'/>
  <feature policy='require' name='xsaves'/>
  <feature policy='require' name='skip-l1dfl-vmentry'/>
</cpu>