# grep -E 'cpu|numa|memory' /etc/libvirt/qemu/vm1.xml
  <memory unit='KiB'>73400320</memory>
  <vcpu placement='static'>8</vcpu>
  <numatune>
    <memory mode='interleave' nodeset='0-3'/>
  </numatune>
  <cpu>
    <numa>
      <cell cpus='0,1' memory='18350080'/>
      <cell cpus='2,3' memory='18350080'/>
      <cell cpus='4,5' memory='18350080'/>
      <cell cpus='6,7' memory='18350080'/>
    </numa>
  </cpu>