depmod....

DKMS: install completed.
Setting up nvidia-settings (367.35-0ubuntu1) ...
Setting up nvidia-opencl-icd-367 (367.57-0ubuntu3) ...
Setting up vdpau-driver-all:amd64 (1.1.1-3ubuntu1) ...
Setting up libcuda1-367 (367.57-0ubuntu3) ...
Processing triggers for libc-bin (2.24-3ubuntu1) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for initramfs-tools (0.125ubuntu5) ...
update-initramfs: Generating /boot/initrd.img-4.8.0-30-generic
W: Possible missing firmware /lib/firmware/i915/kbl_guc_ver9_14.bin for module i915
W: Possible missing firmware /lib/firmware/i915/bxt_guc_ver8_7.bin for module i915
Errors were encountered while processing:
 shim-signed
 grub-efi-amd64-signed
E: Sub-process /usr/bin/dpkg returned an error code (1)