guest@patchwork:~$ apt-mark showhold
guest@patchwork:~$ apt-cache policy libgtk-3-0 libmirclient9
libgtk-3-0:
  Installed: 3.16.7-0ubuntu3
  Candidate: 3.16.7-0ubuntu3
  Version table:
 *** 3.16.7-0ubuntu3 0
        500 http://us.archive.ubuntu.com/ubuntu/ wily/main i386 Packages
        100 /var/lib/dpkg/status
libmirclient9:
  Installed: 0.17.0+15.10.20151008.2-0ubuntu1
  Candidate: 0.17.0+15.10.20151008.2-0ubuntu1
  Version table:
 *** 0.17.0+15.10.20151008.2-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ wily/main i386 Packages
        100 /var/lib/dpkg/status
guest@patchwork:~$