update-rc.d: error: insserv rejected the script header
dpkg: error processing package udev (--configure):
 subprocess installed post-installation script returned error exit status 1
Processing triggers for systemd (232-25+deb9u2) ...
Processing triggers for man-db (2.7.6.1-2) ...
Setting up libudev-dev:armhf (232-25+deb9u12) ...
Processing triggers for initramfs-tools (0.130) ...
Errors were encountered while processing:
 udev
E: Sub-process /usr/bin/dpkg returned an error code (1)

repair_dpkg.sh

#!/bin/bash
mv /var/lib/dpkg/info/ /var/lib/dpkg/info_old/
mkdir /var/lib/dpkg/info/

apt-get -f install

mv /var/lib/dpkg/info/* /var/lib/dpkg/info_old/
rm -rf /var/lib/dpkg/info
mv /var/lib/dpkg/info_old/ /var/lib/dpkg/info/