Fix Tesla Powerwall 3 and Unifi Wi-Fi issues

The Tesla Powerwall 3 is an excellent bit of kit... with one exception. The Wi-Fi NIC in the device is garbage. There are plenty of posts on Reddit with users complaining and having to pay extra to get an ethernet cable run to it to get around the problems. I've been experiencing various issues with the Powerwall connected to my Unifi Wi-Fi network (made up of 3 APs, a couple of switches and a…