Here's a backport for zesty's QEMU, tested with the 4.13.0-7.8 kernel from ppa:canonical-kernel-team/unstable w/ the patch from Comment #10 applied.
Here's a backport for zesty's QEMU, tested with the 4.13.0-7.8 kernel from ppa:canonical- kernel- team/unstable w/ the patch from Comment #10 applied.