If that is the case I think one of your WiFi points is not connected to
the network correctly or is malfunctioning. Probably not connected most
likely. It is common for Google devices to create a network when they
fail to connect. Sorry about my firs...
There are many speed complaints about the WiFi Pro. Supposedly there was
a firmware update to fix it while the speed test still fails on speed
for the Home app.
https://www.androidcentral.com/accessories/smart-home/nest-wifi-pro-update-address-slow-s...