Traffic Graph, Reporting, NetData - Incorrect Bandwidth Statistics

[Psychic49]

See pictures below.

What's going on here? Is this a known bug? The only module that works (partially) is reporting -> traffic.

Traffic Graph (dashboard): https://i.imgur.com/dOFLUyM.png
NetData (the spikes only go up to 6mbps, and not even during the testing time): https://i.imgur.com/OE8P1Hx.png
Reporting -> Traffic - partially working, graphs on top half zeroed: https://i.imgur.com/WeNIZOx.png
Reporting -> Insight - data way off, stating 14MB total traffic