title: error An unexpected error occurred: "https://registry.yarnpkg.com/react: getaddrinfo EAI_AGAIN registry.yarnpkg.com registry.yarnpkg.com:443"
body: <p>yarn add v1.3.2
  [1/4] Resolving packages...
  error An unexpected error occurred: "<a href="https://registry.yarnpkg.com/react" rel="noreferrer">https://registry.yarnpkg.com/react</a>: getaddrinfo EAI_AGAIN registry.yarnpkg.com registry.yarnpkg.com:443".
  info If you think this is a bug, please open a bug report with the information provided in "/home/shiv/my-app/yarn-error.log".
  info Visit <a href="https://yarnpkg.com/en/docs/cli/add" rel="noreferrer">https://yarnpkg.com/en/docs/cli/add</a> for documentation about this command.</p>