libvirt minimal network for Foreman

gistfile1.txt

<network ipv6='yes'>
  <name>default</name>
  <forward mode='nat'/>
  <bridge name='virbr0' stp='on' delay='0'/>
  <mac address='52:54:00:bc:c9:ca'/>
  <domain name='example.com' localOnly='yes'/>
  <dns>
    <host ip='192.168.122.1'>
      <hostname>foreman.example.com</hostname>
    </host>
  </dns>
  <ip address='192.168.122.1' netmask='255.255.255.0'>
    <tftp root='/var/lib/tftpboot'/>
    <dhcp>
      <range start='192.168.122.20' end='192.168.122.254'/>
      <bootp file='pxelinux.0'/>
    </dhcp>
  </ip>
</network>