(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    21.428] Initializing built-in extension MIT-SCREEN-SAVER
[    21.428] (EE) Failed to load /usr/lib/x86_64-linux-gnu/xorg/extra-modules/libglx.so: libnvidia-tls.so.304.135: cannot open shared object file: No such file or directory
[    21.428] (EE) Failed to load module "glx" (loader failed, 7)