I'm having no end of issues with my BQ16 Pro 3-pack. They're all wired to each other via 2.5Gbit, and randomly one or both of the APs connected to the main router will start flashing the... I guess startup procedure, so blinking green etc, before going solid white. This is pretty random when it happens, and it's driving me insane. It's just not reliable, - latest firmware. Any ideas, here? This stuff shouldn't be rocket science, but apparently is...