Error: connect EINVAL 0.0.xx.xx:80 - Local (0.0.0.0:0) : <p>I'm trying to use hubot msg object to send http request, but finally get this error:
Error: connect EINVAL 0.0.xx.xx:80 - Local (0.0.0.0:0)</p>

<p>A similar question is saying this is caused by hosts file, but no detail.</p>
