I've build a new kernel via Bug #42048. It seems the following modules are no longer available: E: Unable to locate package acpi-modules-4.9.0-ucs101-amd64-di E: Unable to locate package cdrom-core-modules-4.9.0-ucs101-amd64-di E: Unable to locate package fat-modules-4.9.0-ucs101-amd64-di E: Unable to locate package fb-modules-4.9.0-ucs101-amd64-di E: Unable to locate package firewire-core-modules-4.9.0-ucs101-amd64-di E: Unable to locate package hyperv-modules-4.9.0-ucs101-amd64-di E: Unable to locate package input-modules-4.9.0-ucs101-amd64-di E: Unable to locate package mouse-modules-4.9.0-ucs101-amd64-di E: Unable to locate package pata-modules-4.9.0-ucs101-amd64-di E: Unable to locate package pcmcia-modules-4.9.0-ucs101-amd64-di
It looks like the modules are no build by the linux-signed package.
*** This bug has been marked as a duplicate of bug 42048 ***