Cudaを入れて
/sbin/ldconfig.real: ～～ is not a symbolic link　の場合の対処

sudo mv /usr/lib/nvidia-375/libEGL.so.1 /usr/lib/nvidia-375/libEGL.so.1.org
sudo mv /usr/lib32/nvidia-375/libEGL.so.1 /usr/lib32/nvidia-375/libEGL.so.1.org
sudo ln -s /usr/lib/nvidia-375/libEGL.so.375.39 /usr/lib/nvidia-375/libEGL.so.1
sudo ln -s /usr/lib32/nvidia-375/libEGL.so.375.39 /usr/lib32/nvidia-375/libEGL.so.1
sudo mv /usr/local/cuda-8.0/targets/x86_64-linux/lib/libcudnn.so.5 /usr/local/cuda-8.0/targets/x86_64-linux/lib/libcudnn.so.5.org
sudo ln -s /usr/local/lib/libcudnn.so.5.1.10 /usr/local/cuda-8.0/targets/x86_64-linux/lib/libcudnn.so.5

Thanks to:
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-375/+bug/1662860