amaury@amaury-M15x:~$ apt-cache policy nodejs-legacy
nodejs-legacy:
  Installed: (none)
  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
        500 http://ru.archive.ubuntu.com/ubuntu xenial-proposed/universe i386 Packages
     4.2.6~dfsg-1ubuntu4 500
        500 http://ru.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
        500 http://ru.archive.ubuntu.com/ubuntu xenial/universe i386 Packages
amaury@amaury-M15x:~$