cbowlby/resource-agents — comment on commit 0627b3d660a2eff19e9038304555eef572b7794c
File: heartbeat/dhcpd line 176
By cbowlby:

This code is left overs from a previous attempt at testing if a DHCP server was sending/receiving DHCP packets, and probably needs a rethink as you can not run dhcpcd -T and dhcpd on the same nic.