package:linux-image-4.4.0-22-generic:4.4.0-22.40
Setting up linux-image-4.4.0-22-generic (4.4.0-22.40) ...
Running depmod.
sh: 1: /usr/sbin/update-initramfs: not found
Failed to create initrd image.
dpkg: error processing package linux-image-4.4.0-22-generic (--configure):
 subprocess installed post-installation script returned error exit status 2