Comment 51 for bug 1608236

Those updates should get applied during this stable release cycle. Here is the current schedule:

Current cycle: 25-Nov through 17-Dec
====================================================================
         25-Nov Last day for kernel commits for this cycle
28-Nov - 03-Dec Kernel prep week.
04-Dec - 16-Dec Bug verification & Regression testing..
         19-Dec Release to -updates.

The -proposed kernel now has up to the 4.4.35 updates.

Would it be possible for you to test this latest kernel and post back if it resolves this bug?
See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed.