Here is my log from my dhcp servers that are not failing over to each other.

They are on a flat network, would their ip's have something to do with not talking to each other?

Jan 12 13:37:05 FRY dhcpd: Listening on LPF/eth0/00:21:5a:f5:24:40/172.16.30.200/30
Jan 12 13:37:05 FRY dhcpd: Sending on LPF/eth0/00:21:5a:f5:24:40/172.16.30.200/30
Jan 12 13:37:05 FRY dhcpd: Sending on Socket/fallback/fallback-net

Jan 12 13:37:34 ZOIDBERG dhcpd: Listening on LPF/eth0/00:21:5a:f5:24:64/172.16.0.124/30
Jan 12 13:37:34 ZOIDBERG dhcpd: Sending on LPF/eth0/00:21:5a:f5:24:64/172.16.0.124/30
Jan 12 13:37:34 ZOIDBERG dhcpd: Sending on Socket/fallback/fallback-net