title: Can't connect to google cloud engine
body: <p>Yesterday I connected to my instance successfully but now cloud says following:</p>
  
  <pre><code>ssh_exchange_identification: read: Connection reset by peer
  ERROR: (gcloud.compute.ssh) [/usr/bin/ssh] exited with return code [255].
  </code></pre>
  
  <p>In <code>ssh.cloud.google.com</code> there is infinite waiting</p>