This is the last command utilizing the old perl helper and should be migrated to finally deprecate vyatta-cfg-system package
root@LR2:~# grep -r vyatta-interfaces.pl /opt /opt/vyatta/sbin/vyatta-interfaces.pl:# Module: vyatta-interfaces.pl /opt/vyatta/sbin/vyatta-interfaces.pl: $output = "#\n# autogenerated by vyatta-interfaces.pl on $date\n#\n"; /opt/vyatta/share/vyatta-op/templates/release/dhcp/interface/node.tag/node.def:run: sudo /opt/vyatta/bin/sudo-users/vyatta-interfaces.pl --dhcp release --dev "$4"