Katello Installer Fails to Start DHCPD

Issue

Trying to run katello-installer results in the following output:

[root@client]# katello-installer 
 Could not start Service[dhcpd]: Execution of '/usr/share/katello-installer/modules/service_wait/bin/service-wait start dhcpd' returned 1: Redirecting to /bin/systemctl start  dhcpd.service
 /Stage[main]/Dhcp/Service[dhcpd]/ensure: change from stopped to running failed: Could not start Service[dhcpd]: Execution of '/usr/share/katello-installer/modules/service_wait/bin/service-wait start dhcpd' returned 1: Redirecting to /bin/systemctl start  dhcpd.service
Installing             Done                                               [100%] [.....................................]
  Something went wrong! Check the log for ERROR-level output
  The full log is at /var/log/katello-installer/katello-installer.log