I too have been seeing strange things of this nature on one of my cable connections. Mine are looking a little different today. This one is located in Guelph, but I can pull up the modem's interface remotely from where I'm at in Kitchener through voodoo magic. Today, mine seem to look like this:
I however am on the Thompson DCM-476 running STAC.02.31. The service seems to be working despite this though. Everything else seems to be in order such as the RF readings.
mine seems only to slow down for a few min durning these errors then the problems goes away reported to teksavvy and they did nothing to fix the problems just wondered if i was the only one. it just started happening to me about 2 weeks ago before that it only did it when they had problems with the 1 POI in kitchener waterloo