Ahojky,
názor amatéra:
 Whenever changes are made to the dhcpd.conf file, dhcpd must be 
restarted.   To restart dhcpd, send a SIGTERM (signal 15) to the process ID
       contained in /var/run/dhcpd.pid, ...
th
PS: mám pocit chroot mi nezabraňuje poslat signál mimo
>