Upstream bonding not locked

Hello,

This is more of a general connectivity question.  I have the Arris TG1682G modem/router (in bridge mode).  I've had service under a year and generally been happy with it.  Everything seems to working fine - knock on wood.   I've noticed my upload has been a bit slower than usual,  so decided to look at the modem status.  The XFINITY Network page shows 24 channels are locked, but none of the upstream channels are locked, and only the first channel has any info at all but all showing zeros, Modulation at "QPSK" and channel type at "(Unknown)"; all other channels are blank.

I've powered cycled the modem a few times but that hasn't changed anything.  I don't recall if I've ever seen the upstream channel locked.  I would've thought at least one channel on the upstream should be locked for connectivity.  I don't loose connection and the modem doesn't restart automatically as I've read this could happen when connections are bad.  Should I be concerned going forward?  I'm curious if others are showing the same info.

Thanks.