nodejs:
  Installed: 6.2.1-1nodesource1~jessie1
  Candidate: 6.2.1-1nodesource1~jessie1
  Version table:
 *** 6.2.1-1nodesource1~jessie1 500
        500 https://deb.nodesource.com/node_6.x jessie/main amd64 Packages
        100 /var/lib/dpkg/status
     4.3.1~dfsg-3 500
        500 http://mirrors.kernel.org/debian testing/main amd64 Packages