is my virgin media Super hub 2ac causing AirPort Extreme to restart?

I'll try and make this short.

i have recently had a virgin media super hub 2ac upgrade from a super hub. Before this I had no issues with my network or wifi. And was getting 150mb download and 12 upload.

I have two Apple airport extremes, one as a main router and the other as a network extender (the super hub is in modem mode) the second extreme is connected via Ethernet over a powering adapter.
The issue is that if I use a device wired or wireless that streams data continuously for more than 15-25 mins (22 mins is the sweet spot) then the main AirPort Extreme will restart and drop the wifi.

I have done the follower:
Restarted all devices (works temporarily)
Changed all wifi channels
Switched off IPv6
Bought a new AirPort Extreme
Bought new cables
Hard wired devices previously on wifi

The bottom line is I'm out of ideas. The only device that has changed is the super hub, everything else is the same. Is it possible the super hub is causing the AirPort Extreme to reset itself?

Any help welcome as this is driving me up the wall!