I'm sure this is duplicate of https://bugs.launchpad.net/bugs/1684010
btw, using kernel from 16.10 while using 17.04 userspace solves problem. i.e. this is kernel bug.
I'm sure this is duplicate of https:/ /bugs.launchpad .net/bugs/ 1684010
btw, using kernel from 16.10 while using 17.04 userspace solves problem.
i.e. this is kernel bug.