The build is failing on ppc64el for Ubuntu so it might be more of a
timing issue than architecture specific. I've reported it upstream to
https://bugs.launchpad.net/ubuntu/+source/libei/+bug/2046357
- Bug#1058218: libei: FTBFS: dh_auto_test: error:... Lucas Nussbaum
- Bug#1058218: libei: FTBFS: dh_auto_test: e... Sebastien Bacher
- Bug#1058218: marked as done (libei: FTBFS:... Debian Bug Tracking System

