creating a veth pair. One end of the interface becomes 'eth1' inside the
container and the other end attaches to 'br-int'.
-The script also lets one to add IP address, MAC address and Gateway address to
-the interface. e.g.:
+The script also lets one to add IP address, MAC address, Gateway address and
+MTU for the interface. e.g.:
```
% ovs-docker add-port br-int eth1 $CONTAINER_ID --ipaddress=192.168.1.2/24 \
---macaddress=a2:c3:0d:49:7f:f8 --gateway=192.168.1.1
+--macaddress=a2:c3:0d:49:7f:f8 --gateway=192.168.1.1 --mtu=1450
```
* A previously added network interface can be deleted. e.g.: