package:initramfs-tools:0.122ubuntu8.1
Processing triggers for initramfs-tools (0.122ubuntu8.1) ...
update-initramfs: Generating /boot/initrd.img-4.4.0-28-generic
cp: omitting directory '/etc/udev/rules.d/10-network.rules'
E: /usr/share/initramfs-tools/hooks/udev failed with return 1.
update-initramfs: failed for /boot/initrd.img-4.4.0-28-generic with 1.
dpkg: error processing package initramfs-tools (--unpack):
 subprocess installed post-installation script returned error exit status 1