Newer dnspython has some stricter type checks, in particular we need
to ensure that zone names end with a ".". Also some objects are now
dicts instead of lists.
Two checks try to create seemingly invalid messages, those will need
further work, marked as expected failure for now to unblock gate.
Depends-On: https://review.opendev.org/813299
Signed-off-by: Dr. Jens Harbott <harbott@osism.tech>
Change-Id: I0a1ffdc92c054183cb6e720eb53cc98f99bbc6ab