please check if libnvidia-gl-390 is installed:
apt-cache policy libnvidia-gl-390
and if so, this is a dupe of 1770913, you want libegl-mesa0 and libglx-mesa0 installed instead..
please check if libnvidia-gl-390 is installed:
apt-cache policy libnvidia-gl-390
and if so, this is a dupe of 1770913, you want libegl-mesa0 and libglx-mesa0 installed instead..