curl: (7) couldn't connect to host
ERROR: While executing gem ... (GemFast::Util::ExecutionError) Failure while executing: curl -f#LA rubygem-gemfast http://ruby.taobao.org/quick/Marshal.4.8/bundler-1.3.5.gemspec.rz --insecure -o /home/git/local/lib/ruby/gems/1.9.1/cache/bundler-1.3.5.gemspec.rz