Don't autoadvertise private ip if bind=localhost #2640
Merged
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A slight improvement to #2399 - if bind is localhost, return an error
instead of advertising a private ip. The advertised ip isn't valid and
will just cause errors on use. It's better to fail with an error message
instructing users how to fix the problem.
This does preserve #2399's really nice property of picking a reasonable advertise IP if bind is 0.0.0.0.