I have the same issue on 16.04, but it appears my kernels are WAY behind what you guys have - 4.4.0-170-generic.
Anyway, for those who don't want to mess with kerls changes or blanket system updates yet, I found a feasible workaround that works for me:
https://gist.github.com/bassmanitram/495fd35b76083f0c4a79777b8ab470fd
I have the same issue on 16.04, but it appears my kernels are WAY behind what you guys have - 4.4.0-170-generic.
Anyway, for those who don't want to mess with kerls changes or blanket system updates yet, I found a feasible workaround that works for me:
https:/ /gist.github. com/bassmanitra m/495fd35b76083 f0c4a79777b8ab4 70fd