Suggested fix (and AFAIR it is the one working in Yakkety and Zesty) is in comment #52. Reproducers are in comment #18, comment #21, and comment #37. I do not know why this does not work in Xenial.
Suggested fix (and AFAIR it is the one working in Yakkety and Zesty) is in comment #52. Reproducers are in comment #18, comment #21, and comment #37. I do not know why this does not work in Xenial.