libvirt network on my laptop

network.xml

<network>
  <name>local</name>
  <uuid>d5e4d859-721b-caf1-4842-21704dea23dd</uuid>
  <forward mode='nat'/>
  <bridge name='virbr2' stp='on' delay='0' />
  <mac address='52:54:00:ca:8d:34'/>
  <domain name='example.org'/>
  <ip address='192.168.100.1' netmask='255.255.255.0'>
    <tftp root='/var/lib/tftpboot' />
    <dhcp>
      <range start='192.168.100.128' end='192.168.100.254' />
      <bootp file='bootstrap.ipxe' />
    </dhcp>
  </ip>
</network>