@shekkiesqueaks (huh, apparently you can still see followers-only toots if you mention someone who's not a follower. Cool)

But yes, I have a feeling it's something WoL related.
I secretly hope it isn't, and instead is something that can be fixed via SSH rather than waiting til I'm home, and looking in bios. D:

The only other thing on the network that could be broadcasting may be a Raspberry Pi, but I could be wrong. Being able to view where the magic packet came from would be super useful tbh.