app-emulation/xen-tools-4.9.0 request >=sys-kernel/linux-headers-4.11.0
I don't think bug #624818 have any connection with this one, so remove the dependency.
(In reply to Yixun Lan from comment #1)
> I don't think bug #624818 have any connection with this one, so remove the
Probably it was a note to check if xen 4.9 is affected or it's fixed already upstream.
(In reply to Tomáš Mózes from comment #3)
@tomas pushed, many thanks for the work