That started last night on my 6141. Congratulations! Comcast has decided to EoL the model if it doesn't receive the latest firmware, and they're the only ones who can do that, but they haven't sent an update out in over two years. Be prepared for an onslaught of customer service reps trying to talk you into leasing a newer model. They did that to me a few years ago with a different modem, and it's just as fun as it sounds.
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