GL-MT300N v2 - Wifi reset upon OVPN toggle?

I noticed that with the v2 hardware/firmware, when I setup an ovpn client connection and enable the toggle switch, the Wifi is dropping (and wifi LED going out) momentarily then reappearing whenever I connect or disconnect to the vpn. This did not happen in v1. Any ideas why / how to fix?

V2 using MTK driver so caused this problem. Not sure if this can be fixed.