vboxguest mainlined since 4.16.0
%files -n kernel%{_alt_kernel}-virtualbox-guest\
%defattr(644,root,root,755)\
%config(noreplace) %verify(not md5 mtime size) /etc/modules-load.d/virtualbox-guest.conf\
+%if %{_kernel_version_code} < %{_kernel_version_magic 4 16 0}\
/lib/modules/%{_kernel_ver}/misc/vboxguest.ko*\
+%endif\
/lib/modules/%{_kernel_ver}/misc/vboxsf.ko*\
%if %{_kernel_version_code} < %{_kernel_version_magic 4 13 0}\
/lib/modules/%{_kernel_ver}/misc/vboxvideo.ko*\