Just a followup, it looks like I don't really need Avahi, so I've removed it from the equation. See this issue for more details:
https://github.com/mitchellh/vagrant/issues/3811 -- You received this message because you are subscribed to the Google Groups "Vagrant" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
