multiple nvidia drivers detected, this is not supported
sandal@Office:~$ dpkg -l | grep -i nvidia
ii  bbswitch-dkms                                        0.8-3ubuntu1                                        amd64        Interface for toggling the power on NVIDIA Optimus video cards
ii  libcuda1-361                                         361.42-0ubuntu2                                     amd64        NVIDIA CUDA runtime library
sandal@Office:~$