$ sudo apt-get install traceroute
[sudo] password for jonta: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following NEW packages will be installed:
  traceroute
0 upgraded, 1 newly installed, 0 to remove and 1 not upgraded.
926 not fully installed or removed.
Need to get 0 B/45.2 kB of archives.
After this operation, 177 kB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
  traceroute
Install these packages without verification? [y/N] y
Setting up initscripts (2.88dsf-41ubuntu18) ...
insserv: warning: script 'K01vpnagentd_init' missing LSB tags and overrides
insserv: warning: script 'vpnagentd_init' missing LSB tags and overrides
insserv: Starting vpnagentd_init depends on grub-common and therefore on system facility `$all' which can not be true!
insserv: Starting vpnagentd_init depends on grub-common and therefore on system facility `$all' which can not be true!
insserv: Starting vpnagentd_init depends on grub-common and therefore on system facility `$all' which can not be true!
insserv: Starting vpnagentd_init depends on grub-common and therefore on system facility `$all' which can not be true!
insserv: Starting vpnagentd_init depends on grub-common and therefore on system facility `$all' which can not be true!
insserv: Starting vpnagentd_init depends on grub-common and therefore on system facility `$all' which can not be true!
insserv: There is a loop between service vpnagentd_init and grub-common if started
insserv:  loop involving service grub-common at depth 9
insserv:  loop involving service vpnagentd_init at depth 1
insserv: Starting vpnagentd_init depends on grub-common and therefore on system facility `$all' which can not be true!
insserv: exiting now without changing boot order!
update-rc.d: error: insserv rejected the script header
dpkg: error processing package initscripts (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of util-linux:
 util-linux depends on initscripts; however:
  Package initscripts is not configured yet.

dpkg: error processing package util-linux (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of e2fsprogs:
 e2fsprogs depends on util-linux (>= 2.15~rc1-1); however:
  Package util-linux is not configured yet.

dpkg: error processing package e2fsprogs (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                          No apport report written because the error message indicates its a followup error from a previous failure.
                                                      Errors were encountered while processing:
 initscripts
 util-linux
 e2fsprogs
E: Sub-process /usr/bin/dpkg returned an error code (1)