====== Rede Guest ======
Rede NAT/DHCP
<code bash>
[root@kvm ~]# cat /tmp/vnet192.xml 
<network>
  <name>vnet192</name>
  <forward mode='nat'/>
  <bridge name='virbr1' stp='on' delay='0'/>
  <ip address='192.0.2.1' netmask='255.255.255.0'>
    <dhcp>
      <range start='192.0.2.2' end='192.0.2.50'/>
    </dhcp>
  </ip>
</network>
</code>

Rede interna/privada:
<code bash>
<network>
  <name>vnet198</name>
  <bridge name='virbr2' stp='on' delay='0'/>
  <domain name='vnet198'/>
</network>
</code>

<code bash>
[root@kvm ~]# virsh net-define /tmp/vnet192.xml 
</code>
<code bash>
[root@kvm ~]# virsh net-start vnet192
</code>
<code bash>
[root@kvm ~]# virsh net-autostart vnet192
</code>
<code bash>
[root@kvm ~]# virsh net-list
 Nome                 Estado     Auto-iniciar  Persistente
----------------------------------------------------------
 default              ativo      sim           sim
 vnet192              ativo      sim           sim
</code>
<code bash>
[root@kvm ~]# virsh domiflist gateway
Interface  Tipo       Fonte      Modelo      MAC
-------------------------------------------------------
-          network    default    virtio      52:54:00:30:b4:a1
</code>
<code bash>
[root@kvm ~]# virsh attach-interface --domain gateway --type network --source vnet192 --model virtio --config
</code>
<code bash>
[root@kvm ~]# virsh domiflist gateway
Interface  Tipo       Fonte      Modelo      MAC
-------------------------------------------------------
-          network    default    virtio      52:54:00:30:b4:a1
-          network    vnet192    virtio      52:54:00:2b:35:7f
</code>
<code bash>
[root@kvm ~]# virsh detach-interface --domain gateway --type network --mac 52:54:00:2b:35:7f --config
</code>