Whoah, we're a long way from even wondering if this is overutilisation!!
If the V6 is flashing the "lost connection" icon, this means the V6 <---> Hub connection is lost, that's an entirely different part of the jigsaw to the Hub <---> internet connection.
When you next see the flashing "lost connection" icon, check the network connection screen then - and see what it reports.
Do you have a BQM setup on your broadband?
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