Add the ability to specify a list of known/allowed MACs so that when a MAC not included in this list is detected (of course ignore broad/multi-cast MACs), an alert is triggered.

Evaluate the ability to specify a list of MACs or/and allow them to be marked through the web GUI

For documentation purposes, it would be great to allow comments in network_list and network_whitelist.

When i comment out the whole line, it currently works, but throws an error in the logfile:
2019-09-13 09:54:22,272 [ERROR] Can't parse line from subnet list: '# testcomment'
I think a WARNING would be more accurate in this case.

Unfortunately, inline-comments doesn't work at all, becaus

We're using nProbe as a collector for sFlow samples from our BGP routers. We would like to only collect and log the remote traffic from and to our networks. This would mean that we need to filter and ignore any traffic from and to our own networks.

To achieve this a BPF filter could be set (src net 1.2.3.4/20 || src net 5.6.7.8/20) and not (dst net 1.2.3.4/20 || dst net 5.6.7.8/20) but it isn

This should be relatively trivial to do with something similar to https://github.com/Shopify/sarama/blob/675b0b1ff204c259877004140a540d6adf38db17/tools/kafka-console-consumer/kafka-console-consumer.go#L58-L70