Reading package lists...
Building dependency tree...
Reading state information...
The following packages will be REMOVED:
  nvidia-glx
0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 25.8MB disk space will be freed.
(Reading database ... 82711 files and directories currently installed.)
Removing nvidia-glx ...
rm: cannot remove `/usr/lib/libGL.so': No such file or directory
dpkg-divert: mismatch on package
  when removing `diversion of /usr/lib/libGL.so.1 to /usr/lib/nvidia/libGL.so.1.xlibmesa by nvidia-glx'
  found `diversion of /usr/lib/libGL.so.1 to /usr/lib/nvidia/libGL.so.1.xlibmesa by nvidia-glx-177'
dpkg: error processing nvidia-glx (--remove):
 subprocess post-removal script returned error exit status 2
Errors were encountered while processing:
 nvidia-glx