You may need to file a bug.
The end of the nvidia-installer.log states:
[ 3994.127437] NVRM: The NVIDIA GPU 0000:02:01.0 (PCI ID: 10de:2235)
NVRM: installed in this system is not supported by the
NVRM: NVIDIA 515.105.01 driver release.
NVRM: Please see ‘Appendix A - Supported NVIDIA GPU Products’
NVRM: in this release’s README, available on the operating system
NVRM: specific graphics driver download page at www.nvidia.com.
Looking at the Supported GPUs section of the driver, shows the card should be supported.