Preparing to unpack .../sysv-rc_2.88dsf-59.3ubuntu2_all.deb ...
Unpacking sysv-rc (2.88dsf-59.3ubuntu2) over (2.88dsf-41ubuntu6.3) ...
Processing triggers for systemd (229-4ubuntu7) ...
Setting up sysv-rc (2.88dsf-59.3ubuntu2) ...
info: Reordering boot system, log to /var/lib/insserv/run-20160821T0837.log
error: Something failed while migrating.

error: Unable to migrate to dependency based boot sequencing.

See http://wiki.debian.org/LSBInitScripts/DependencyBasedBoot for
more information about dependency based boot sequencing. To
reattempt the migration process run 'dpkg --configure sysv-rc'.

dpkg: error processing package sysv-rc (--configure):
 subprocess installed post-installation script returned error exit status 1