amaury@amaury-M15x:~$ apt-cache policy nodejs
nodejs:
  Installed: 4.2.6~dfsg-1ubuntu4
  Candidate: 4.2.6~dfsg-1ubuntu4.1
  Version table:
     4.2.6~dfsg-1ubuntu4.1 500
        500 http://ru.archive.ubuntu.com/ubuntu xenial-proposed/universe amd64 Packages
 *** 4.2.6~dfsg-1ubuntu4 500
        500 http://ru.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
        100 /var/lib/dpkg/status