title: An error occurred while installing ffi (1.9.10) in centos7 OPNFV arno image
body: <p>Installing the 'vagrant-centos7_fix' plugin. This can take a few minutes...
  Bundler, the underlying system Vagrant uses to install plugins,
  reported an error. The error is shown below. These errors are usually
  caused by misconfigured plugin installations or transient network
  issues. The error from Bundler is:</p>
  
  <p>An error occurred while installing ffi (1.9.10), and Bundler cannot continue.
  Make sure that <code>gem install ffi -v '1.9.10'</code> succeeds before bundling.
  Gem::RemoteFetcher::FetcherError: Error::ETIMEOUT: Connection timed out - connect(2) (<a href="https://rubygems.org/gems/ffi-1.9.10.gem" rel="nofollow">https://rubygems.org/gems/ffi-1.9.10.gem</a>) </p>
  
  <p>I tried accesssing following link <a href="https://rubygems.org/gems/ffi-1.9.10.gem" rel="nofollow">https://rubygems.org/gems/ffi-1.9.10.gem</a> in windows machine there also I am getting the timeout error:</p>
  
  <p>Can anyone please suggest any altenative to install ffi=1.9.10 component.</p>