CRIU 1.3 has a pretty crippling deadlock which will cause dumping containers to
fail fairly often. This is fixed in criu 1.3.1, so we shouldn't run the tests
on anything less than that.
Signed-off-by: Tycho Andersen <tycho.andersen@canonical.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>