juju2:
   installed: 2.0-beta3-0ubuntu1~15.10.2~juju1
   Candidate: 2.0-beta3-0ubuntu1~15.10.2~juju1
version table:
***2.0-beta3-0ubuntu1~15.10.2~juju1.0
   500 http://ppa.launchpad.net/juju/devel/ubnutu/ wily/main amd64 pacakge
   100 /var/lib/dpkg/status