<cpu mode='custom' match='exact'>
<arch>x86_64</arch>
<model fallback='forbid'>Nehalem</model>
<feature policy='require' name='vme'/>
<feature policy='require' name='ss'/>
<feature policy='require' name='x2apic'/>
<feature policy='require' name='hypervisor'/>
<feature policy='require' name='tsc_adjust'/>
<feature policy='require' name='rdtscp'/>
</cpu>