the difference is here:
> [ppc64le-20161125]
The correct DUD base directory would be
/linux/suse/ppc64le-tw/
but the TW you tested is (wrongly) expecting /linux/suse/ppc64le-20161125/.
So I (a) fixed TW and (b) allowed mkdud to create a DUD for ppc64le-20161125 so
it's found by the broken TW.