» Custom Provider
If you are developing a custom Vagrant provider, you will need to do a tiny bit more work in order for it to work well with Vagrant Share.
For now, this is only one step:
public_addressprovider capability - You must implement this capability to return a string that is an address that can be used to access the guest from Vagrant. This does not need to be a globally routable address, it only needs to be accessible from the machine running Vagrant. If you cannot detect an address, return