phablet@ubuntu-phablet:~$ apt-cache policy libudev1
libudev1:
  Installed: 219-7ubuntu6
  Candidate: 219-7ubuntu6
  Version table:
 *** 219-7ubuntu6 0
        500 http://ports.ubuntu.com/ubuntu-ports/ vivid-updates/main armhf Packages
        100 /var/lib/dpkg/status
     219-7ubuntu3 0
        500 http://ports.ubuntu.com/ubuntu-ports/ vivid/main armhf Packages