Preparing to unpack .../libnss3-nssdb_2%3a3.28.4-0ubuntu0.16.04.2_all.deb ...
Unpacking libnss3-nssdb (2:3.28.4-0ubuntu0.16.04.2) over (2:3.28.4-0ubuntu0.16.04.1) ...
Preparing to unpack .../libnss3_2%3a3.28.4-0ubuntu0.16.04.2_amd64.deb ...
Unpacking libnss3:amd64 (2:3.28.4-0ubuntu0.16.04.2) over (2:3.28.4-0ubuntu0.16.04.1) ...
Setting up xl2tpd (1.3.6+dfsg-4ubuntu0.16.04.1) ...
insserv: warning: script 'centrify-kcm' missing LSB tags and overrides
Job for xl2tpd.service failed because the control process exited with error code. See "systemctl status xl2tpd.service" and "journalctl -xe" for details.
invoke-rc.d: initscript xl2tpd, action "start" failed.
● xl2tpd.service - LSB: layer 2 tunelling protocol daemon
   Loaded: loaded (/etc/init.d/xl2tpd; bad; vendor preset: enabled)
   Active: failed (Result: exit-code) since Thu 2017-06-22 00:22:29 EEST; 5ms ago
     Docs: man:systemd-sysv-generator(8)
  Process: 3147 ExecStart=/etc/init.d/xl2tpd start (code=exited, status=1/FAILURE)

Jun 22 00:22:29 P5MD-PORT165l systemd[1]: Starting LSB: layer 2 tunelling pr....
Jun 22 00:22:29 P5MD-PORT165l xl2tpd[3147]: Starting xl2tpd:
Jun 22 00:22:29 P5MD-PORT165l systemd[1]: xl2tpd.service: Control process ex...1
Jun 22 00:22:29 P5MD-PORT165l systemd[1]: Failed to start LSB: layer 2 tunel....
Jun 22 00:22:29 P5MD-PORT165l systemd[1]: xl2tpd.service: Unit entered faile....
Jun 22 00:22:29 P5MD-PORT165l systemd[1]: xl2tpd.service: Failed with result....
Hint: Some lines were ellipsized, use -l to show in full.
dpkg: error processing package xl2tpd (--configure):
 subprocess installed post-installation script returned error exit status 1