libvirt.vm-net.xml

<network>
  <name>vm</name>
  <bridge name='virbr1' stp='on' delay='0'/>
  <mac address='52:54:00:d4:e2:16'/>
  <domain name='vm.int' localOnly='yes'/>
  <ip address='192.168.100.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='192.168.100.128' end='192.168.100.254'/>
    </dhcp>
  </ip>
</network>