Skip invalid outlink
Skip invalid outlink

When one of the outlinks is `http://-1/` `urlcanon.whatwg` raises an
unhandled exception `ipaddress.AddressValueError` and the capture fails.

We can skip the problematic outlink and keep the rest without crashing.

internetarchive/brozzler,internetarchive/brozzler,internetarchive/brozzler,internetarchive/brozzler