title: GuzzleHttp\Exception\ConnectException: cURL error 6: Could not resolve host
body: <p>I'm facing the issue in my site. I have spent 2 days on that but no luck.</p>
  <h1>Error in DB Logs</h1>
  <blockquote>
  <p>GuzzleHttp\Exception\ConnectException: cURL error 6: Could not resolve
  host: www-dev.drupalsite.com (see
  <a href="http://curl.haxx.se/libcurl/c/libcurl-errors.html" rel="nofollow noreferrer">http://curl.haxx.se/libcurl/c/libcurl-errors.html</a> ) in
  GuzzleHttp\Handler\CurlFactory::createRejection() (line 186 of
  /var/www/html/site-d8/vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.php
  ).</p>
  </blockquote>
  <h1>Error while accessing site</h1>
  <blockquote>
  <p>The website encountered an unexpected error. Please try again later.</p>
  </blockquote>
  <p>Note that this is local dev-site using <strong>vagrant on ubuntu (VM Virtual Box)</strong></p>