I have the same behavior on 16.04 after last kernel update, I am on 4.13.0-36-generic now and I was on 4.10.0-42-generic before that started happening.
I have the same behavior on 16.04 after last kernel update, I am on 4.13.0-36-generic now and I was on 4.10.0-42-generic before that started happening.