That didn't do much (unfortunately):

ERROR (dkms apport): binary package for i915: usbc not found

Error! Bad return status for module build on kernel: 4.8.0-41-generic (x86_64)

On Tue, Mar 28, 2017 at 3:50 PM <bugzilla-daemon@freedesktop.org> wrote:

Comment # 132 on bug 93578 from Lev Popov
i915_bpo is a driver backported to 4.4.0. For 4.8.0 you should replace all
occurrences of i915_bpo to just i915, also add this line to dkms.conf:
BUILT_MODULE_NAME="i915"
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