@@ -73,6 +73,7 @@ func (c *Chain) Forward(action Action, ip net.IP, port int, proto, dest_addr str

 		"-p", proto,

 		"-d", daddr,

 		"--dport", strconv.Itoa(port),

+		"!", "-i", c.Bridge,

 		"-j", "DNAT",

 		"--to-destination", net.JoinHostPort(dest_addr, strconv.Itoa(dest_port))); err != nil {

 		return err

@@ -96,17 +97,6 @@ func (c *Chain) Forward(action Action, ip net.IP, port int, proto, dest_addr str

 		return fmt.Errorf("Error iptables forward: %s", output)

 	}

-	if output, err := Raw("-t", "nat", string(fAction), "POSTROUTING",

-		"-p", proto,

-		"-s", dest_addr,

-		"-d", dest_addr,

-		"--dport", strconv.Itoa(dest_port),

-		"-j", "MASQUERADE"); err != nil {

-		return err

-	} else if len(output) != 0 {

-		return fmt.Errorf("Error iptables forward: %s", output)

-	}

-

 	return nil

 }