title: Laravel homestead stuck on VM login
body: <p>Ill try to use laravel homestead vagrant box. When I do vagrant up it stucks on 
  <code>default: Warning: Connection refused. Retrying...</code></p>
  
  <p>My intel virtualization technology is enabled. I've enabled the GUI and it shows:</p>
  
  <p><img src="https://i.imgur.com/eI2zZsx.png" alt=""></p>
  
  <p>I've got <code>Vagrant 1.6.5</code> and <code>VirtualBox 4.3.16</code>. </p>
  
  <p>Anybody has encountered this problem as well...?</p>