root@ubuntu:/home/szymon# sudo dpkg -P libvlccore8
dpkg: warning: ignoring request to remove libvlccore8 which isn't installed
root@ubuntu:/home/szymon# sudo apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following packages were automatically installed and are no longer required:
  lib32gcc1 libc6-i386 ocl-icd-libopencl1
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
  libnvidia-gl-390 libnvidia-gl-390:i386
The following NEW packages will be installed:
  libnvidia-gl-390 libnvidia-gl-390:i386
0 upgraded, 2 newly installed, 0 to remove and 16 not upgraded.
18 not fully installed or removed.
Need to get 0 B/29,1 MB of archives.
After this operation, 147 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
(Reading database ... 155839 files and directories currently installed.)
Preparing to unpack .../libnvidia-gl-390_390.87-0ubuntu0~gpu18.04.1_i386.deb ...
diversion of /usr/lib/i386-linux-gnu/libGL.so.1 to /usr/lib/i386-linux-gnu/libGL.so.1.distrib by nvidia-340
dpkg-divert: error: mismatch on package
  when removing 'diversion of /usr/lib/i386-linux-gnu/libGL.so.1 by libnvidia-gl-390'
  found 'diversion of /usr/lib/i386-linux-gnu/libGL.so.1 to /usr/lib/i386-linux-gnu/libGL.so.1.distrib by nvidia-340'
dpkg: error processing archive /var/cache/apt/archives/libnvidia-gl-390_390.87-0ubuntu0~gpu18.04.1_i386.deb (--unpack):
 new libnvidia-gl-390:i386 package pre-installation script subprocess returned error exit status 2
Preparing to unpack .../libnvidia-gl-390_390.87-0ubuntu0~gpu18.04.1_amd64.deb ...
diversion of /usr/lib/x86_64-linux-gnu/libGL.so.1 to /usr/lib/x86_64-linux-gnu/libGL.so.1.distrib by nvidia-340
dpkg-divert: error: mismatch on package
  when removing 'diversion of /usr/lib/x86_64-linux-gnu/libGL.so.1 by libnvidia-gl-390'
  found 'diversion of /usr/lib/x86_64-linux-gnu/libGL.so.1 to /usr/lib/x86_64-linux-gnu/libGL.so.1.distrib by nvidia-340'
dpkg: error processing archive /var/cache/apt/archives/libnvidia-gl-390_390.87-0ubuntu0~gpu18.04.1_amd64.deb (--unpack):
 new libnvidia-gl-390:amd64 package pre-installation script subprocess returned error exit status 2
Errors were encountered while processing:
 /var/cache/apt/archives/libnvidia-gl-390_390.87-0ubuntu0~gpu18.04.1_i386.deb
 /var/cache/apt/archives/libnvidia-gl-390_390.87-0ubuntu0~gpu18.04.1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@ubuntu:/home/szymon#