Update to 390.157
390.157 was released today.
https://download.nvidia.com/XFree86/Linux-x86_64/390.157/
The announcement (https://forums.developer.nvidia.com/t/linux-solaris-and-freebsd-driver-390-157-legacy-for-gf1xx-fermi-gpus/235129) does not have a change-log but hopefully NVIDIA fixed Linux 6.x compatibility.