Log time: 2016-08-11 08:25:18.533995
Starting pkgProblemResolver with broken count: 1
Starting 2 pkgProblemResolver with broken count: 1
Investigating (0) libmetacity-private3a:amd64 < 1:3.18.6-0ubuntu1 @ii mK Ib >
Broken libmetacity-private3a:amd64 Depende on metacity-common:amd64 < 1:3.18.6-0ubuntu1 -> 1:3.20.2-1ubuntu2 @ii umU > (= 1:3.18.6-0ubuntu1)
  Considering metacity-common:amd64 4 as a solution to libmetacity-private3a:amd64 0
  Removing libmetacity-private3a:amd64 rather than change metacity-common:amd64
Done