Unable to SSH during vagrant up

[slyapustin]

@marco-santamaria Thanks for the helpful repository, I really like your approach.

Unfortunately I was unable to test it as I can't create Vagrant machines:

air:deploy user$ vagrant up
Bringing machine 'web' up with 'virtualbox' provider...
Bringing machine 'db' up with 'virtualbox' provider...
==> web: Checking if box 'centos/7' is up to date...
==> web: Clearing any previously set network interfaces...
==> web: Preparing network interfaces based on configuration...
    web: Adapter 1: nat
    web: Adapter 2: hostonly
==> web: Forwarding ports...
    web: 80 (guest) => 8080 (host) (adapter 1)
    web: 22 (guest) => 2222 (host) (adapter 1)
==> web: Booting VM...
==> web: Waiting for machine to boot. This may take a few minutes...
    web: SSH address: 127.0.0.1:2222
    web: SSH username: vagrant
    web: SSH auth method: private key
    web: Warning: Connection reset. Retrying...
    web: Warning: Remote connection disconnect. Retrying...
    web: Warning: Connection reset. Retrying...

Looks like something was changed in the default auth method (which is now private key).