Connectivity Issues - Slow Speeds - Lost Bonding

After calling support 3x and having techs come out twice, I figured I'd try here.

On April 2nd, I got an automated call saying there would be an outage that night.  Since then, I have had greatly reduced download speeds.  When I visit my modem's page, I only get 1 channel upstream and 1 downstream.  It used to be more (i dont remember how many) and the modems lights were different.

The second time the techs came out, they ran a new line to my  house and tried a different modem plugged directly into their laptop.  Same speeds.  They keep saying it's upstream of the connection to my house and told me they would talk to the line manager?.  That was over a while ago and still no resolution (don't remember if it was 1 or 2 weeks ago that they came out)

I called today and still nothing.  They said there is an unplanned outage today and blamed that, although clearly the issue has extended well beyond today.

I have one of the SamKnows white boxes and you can clearly see the day it happend and that my speeds haven't been back since.