@Muelli: 4.4.0-69 from the xenial proposed and 4.8.0-43 from the yakkety proposed repository contained a patch that fixed the issue. For unknown reasons this patch was reverted in 4.4.0-70 and 4.8.0-44. Several non proposed kernel updates have been released since then, all broken.
Yakkety 4.8.0-46 is broken.
@Muelli: 4.4.0-69 from the xenial proposed and 4.8.0-43 from the yakkety proposed repository contained a patch that fixed the issue. For unknown reasons this patch was reverted in 4.4.0-70 and 4.8.0-44. Several non proposed kernel updates have been released since then, all broken.