As said by Mauricio, this is an import bug for ppc64el, It is tracked as one of ten the most important bugs for the ppc64el platform on the following wiki page:
https://wiki.debian.org/ppc64el/topBugs -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org