The device is a one-port, but was set up as two-port by the
default case in 02_network. Fix it.
Signed-off-by: Sebastian Schaper <openwrt@sebastianschaper.net>
[commit title/message facelift]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
d7d87cedcf