I did a little bit of more triaging:

Staying on my
    Linux acer07 4.8.0-21-generic #23-Ubuntu SMP Tue Oct 4 18:27:25 UTC 2016 
x86_64 x86_64 x86_64 GNU/Linux
and only upgrading from "nvidia-304 304.131-0ubuntu5" to "nvidia-304 
304.132-0ubuntu1"
brings up this problem.

On the other hand, staying on "nvidia-304 304.131-0ubuntu5" and doing a
complete "apt-get dist-upgrade" otherwise, results in a completely
functioning system.

So looks like this problem is more connected with nvidia-304 versions
than kernel versions.

My workaround is (thanks to BTRFS allowing me to boot into various
snapshots and having the earlier driver version available):

$ cat /etc/apt/preferences.d/nvidia-304_mtrr-prob.pref 
Package: nvidia-304
Pin: version 304.132-0ubuntu1
Pin-Priority: -1

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to nvidia-graphics-drivers-304 in Ubuntu.
https://bugs.launchpad.net/bugs/1634802

Title:
  Could not insert module

Status in nvidia-graphics-drivers-304 package in Ubuntu:
  In Progress
Status in nvidia-graphics-drivers-304 source package in Yakkety:
  Triaged

Bug description:
  Ubuntu release: 16.10 Yakkety Yak
  Kernel version: 4.8.0-22-generic x86_64
  Package version: 304.132-0ubuntu1

  The nvidia module cannot be loaded. The following errors are reported:
  Could not insert module Unknown symbol in module

  and:

  nvidia: Unknown symbol mtrr_del (err 0)
  nvidia: Unknown symbol mtrr_add (err 0)

  It looks like the buildfix_kernel_4.3.patch, which is supposed to be
  dealing with those calls, is not applied in this release of the
  package.

  The package was working fine with the previous fully updated Ubuntu
  version 16.04 prior to the upgrade to 16.10.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/+bug/1634802/+subscriptions

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