There are several upstream bugs that cause intermittent test failures,
and can intermittently be reproduced in real use. However, these are not
regressions, so we should not FTBFS just because we happen to have been
unlucky during build.
"ostree pull" intermittently fails with a bus error on at least some
mipsel CPUs, and applying gdb to the resulting core dump does not produce
any useful information. Debugging help would be appreciated. (Mitigates:
#827473)
Simon McVittie