mitchellh/vagrant — comment on commit 8bb6d375f15d5bd4449573e92a1cb0577b3e678f
File: lib/vagrant/ssh.rb line 123
By mitchellh:

Hedge, whats special about the SSH_CONNECTION as the indicator of the shell being ready?

If that truly is the case then I could do a simple `echo $SSH_CONNECTION` and check that with a simple regex, like you said.

And to answer your question: Yes, it retries quite a few times.