Package: initscripts Version: 2.88dsf-59.5 vars.sh got moved to sysvinit-utils but there seems to be nothing to stop initscripts from upgrading first:
(Reading database ... 169568 files and directories currently installed.) Preparing to unpack .../initscripts_2.88dsf-59.5_amd64.deb ... Unpacking initscripts (2.88dsf-59.5) over (2.88dsf-59.4) ... Processing triggers for systemd (215-17+deb8u4) ... Processing triggers for man-db (2.7.0.2-5) ... Setting up initscripts (2.88dsf-59.5) ... /var/lib/dpkg/info/initscripts.postinst: 8: .: Can't open /lib/init/vars.sh dpkg: error processing package initscripts (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: initscripts E: Sub-process /usr/bin/dpkg returned an error code (1) Failed to perform requested operation on package. Trying to recover: Setting up initscripts (2.88dsf-59.5) ... /var/lib/dpkg/info/initscripts.postinst: 8: .: Can't open /lib/init/vars.sh dpkg: error processing package initscripts (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: initscripts Press Return to continue. -- MichaĆ Politowski