Used for dropping packets on a specific port.
Needs to be launched with the NET_ADMIN and NET_RAW capabilities to be
able to actually be able to interact with iptables, this is done in
docker-compose.
Change-Id: I5093d19fbc269f42fe3e314e9344866fa5b79999
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>