title: AWS Neptune Host did not respond in a timely fashion - check the server status and submit again
body: <p>Ive went through the whole start-up tutorial and connect to the tinkerpop3 server remotely from an EC2 that is in the same VPC and get the error</p>
  
  <p><code>gremlin&gt; g.addV('person').property(id, '1').property('name', 'marko')
  Host did not respond in a timely fashion - check the server status and submit ag                        ain.
  Type ':help' or ':h' for help.
  Display stack trace? [yN]</code> </p>
  
  <p>any reason this might be happening?</p>