Comment 1 for bug 453301

It's reasonable and common for DHCP servers to log once for each DHCP packet and response; e.g. ISC's dhcpd will log "dhcpd: DHCPREQUEST for 18.238.6.84 from 00:1d:e0:8c:ce:01 via eth0" for a request, or "dhcpd: DHCPOFFER on 192.168.0.49 to 00:03:93:20:81:ba via eth1". We should still perform logging of this type; probably each of the individual logging calls in different functions should be coalesced into one line that logs all the relevant information.