On Xenial 4.4 it's now failing with:
Running './run --ov' *** *** ./run --ov --ts=0 open-plain *** TEST open-plain.py:10: Open O_RDONLY /mnt/a/foo100: File unexpectedly on lower fs
On Xenial 4.4 it's now failing with:
Running './run --ov'
***
*** ./run --ov --ts=0 open-plain
***
TEST open-plain.py:10: Open O_RDONLY
/mnt/a/foo100: File unexpectedly on lower fs