Preparing to unpack .../adapta-gtk-theme_3.91.0.126-0ubuntu1~xenial1_all.deb ...
Unpacking adapta-gtk-theme (3.91.0.126-0ubuntu1~xenial1) over (3.91.0.122-0ubuntu1~xenial1) ...
Preparing to unpack .../numix-gtk-theme_2.6.6+626~201706271059~ubuntu16.04.1_all.deb ...
Unpacking numix-gtk-theme (2.6.6+626~201706271059~ubuntu16.04.1) over (2.6.6+626~201611150117~ubuntu16.04.1) ...
dpkg: error processing package libebml4v5:amd64 (--configure):
 package is in a very bad inconsistent state; you should
 reinstall it before attempting configuration
Setting up adapta-gtk-theme (3.91.0.126-0ubuntu1~xenial1) ...