root@ubuntu:~# /etc/init.d/dhcp3-server restart
Internet Systems Consortium DHCP Server V3.0.3
Copyright 2004-2005 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
 * Stopping DHCP server                                          [fail]
Internet Systems Consortium DHCP Server V3.0.3
Copyright 2004-2005 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
 * Starting DHCP server:                                         [fail]
root@ubuntu:~#