[Battlemesh] battlemesh v6 test data postprocessing

[Juliusz Chroboczek]

>> "connect: Operation not permitted"
>>
>> Curiously enough, that's not an error message from babeld.

> I assume thats a ping to an address without a route to it... because
> its not in the local subnets on the interfaces either, the ping fails.

With ping, the error should be "Destination unreachable".  With
connect (TCP), the error should be "No route to host".

"Operation not permitted" is what you get if you trigger a REJECT rule
in the local firewall.

-- Juliusz