all of a sudden today i check my modem,and i got downstream channel id 9,1,2,3,4,5,6.7.then my 3 upstream channels the frequency all went up,2370000,3010000,3650000.and my upstream went up to 54.and also the upstream modulation are QPSK,and 64 QAM no 16 QAM.they must have changed something at the headend.and i am not having any problems.whats up?