The level page shows it all! You have a badly corroded or loose connector or the outside line is damaged, probably tree rodent chewed up. or at the pole tap off block.
These 2 lines n the log show serious ingress from broadcast TV transmitters on chanels 43 & 44!
4 Locked QAM256 12 645000000 Hz -21.5 dBmV 28.8 dB 576598 63
5 Locked QAM256 13 651000000 Hz -11.5 dBmV 36.2 dB 0 0
Needs twc out if you don't find a loose connector somewhere in the house.
It cannot be fixed over the phone no matter what they tell you.