/usr/ is in zentyal-dhcp 2.3.8+quantal1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/zentyal/stubs/dhcp/
/usr/share/
/usr/share/zentyal-dhcp/
/usr/share/zentyal-dhcp/enable-module
/usr/share/zentyal-dhcp/sql/
/usr/share/zentyal-dhcp/sql/leases.sql
/usr/share/zentyal/
/usr/share/zentyal/www/
/usr/share/zentyal/www/images/
/usr/share/zentyal/www/images/red.gif
/usr/share/zentyal/www/images/green.gif
/usr/share/zentyal/modules/
/usr/share/zentyal/modules/dhcp.yaml
/usr/share/zentyal/stubs/
/usr/share/zentyal/stubs/dhcp/dhcpd.conf.mas
/usr/share/zentyal/stubs/dhcp/apparmor-dhcpd.local.mas
/usr/share/zentyal/stubs/dhcp/includes.mas
/usr/share/zentyal/stubs/dhcp/shared-network.mas
/usr/share/zentyal/stubs/dhcp/staticRoutes.mas
/usr/share/zentyal/stubs/dhcp/subnet.mas
/usr/share/doc/
/usr/share/doc/zentyal-dhcp/
/usr/share/doc/zentyal-dhcp/copyright
/usr/share/doc/zentyal-dhcp/AUTHORS
/usr/share/doc/zentyal-dhcp/changelog.gz
/usr/share/perl5/
/usr/share/perl5/DaemonTest.pm
/usr/share/perl5/EBox/
/usr/share/perl5/EBox/DHCPLogHelper.pm
/usr/share/perl5/EBox/DHCP.pm
/usr/share/perl5/EBox/DHCP/
/usr/share/perl5/EBox/DHCP/StaticRouteProvider.pm
/usr/share/perl5/EBox/DHCP/Model/
/usr/share/perl5/EBox/DHCP/Model/Interfaces.pm
/usr/share/perl5/EBox/DHCP/Model/LeaseTimes.pm
/usr/share/perl5/EBox/DHCP/Model/DynamicDNS.pm
/usr/share/perl5/EBox/DHCP/Model/RangeInfo.pm
/usr/share/perl5/EBox/DHCP/Model/Options.pm
/usr/share/perl5/EBox/DHCP/Model/FixedAddressTable.pm
/usr/share/perl5/EBox/DHCP/Model/RangeTable.pm
/usr/share/perl5/EBox/DHCP/Model/ThinClientOptions.pm
/usr/share/perl5/EBox/DHCP/Composite/
/usr/share/perl5/EBox/DHCP/Composite/General.pm
/usr/share/perl5/EBox/DHCP/Composite/OptionsTab.pm
/usr/share/perl5/EBox/DHCP/Composite/AdvancedOptions.pm
/usr/share/perl5/EBox/DHCP/Composite/InterfaceConfiguration.pm
/usr/share/perl5/EBox/DHCP/Types/
/usr/share/perl5/EBox/DHCP/Types/Group.pm