localhost:~# tcpdump -n -i eth1
tcpdump: WARNING: eth1: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes
02:19:07.111641 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:33:43:6f:ab:47, length 300
02:19:07.113661 arp who-has 192.168.1.156 tell 192.168.1.9
02:19:08.001764 IP 192.168.1.9.67 > 192.168.1.156.68: BOOTP/DHCP, Reply, length 300
02:19:08.009702 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:33:43:6f:ab:47, length 321
02:19:08.013228 IP 192.168.1.9.67 > 192.168.1.156.68: BOOTP/DHCP, Reply, length 300
02:19:08.034223 arp who-has 192.168.1.156 tell 192.168.1.156
02:19:08.243316 arp who-has 192.168.1.156 tell 192.168.1.156
02:19:08.269618 arp reply 192.168.1.156 is-at 00:21:6b:95:e1:f0
02:19:08.272280 arp who-has 192.168.1.156 tell 192.168.1.156
02:19:08.314028 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:33:43:6f:ab:47, length 300
02:19:08.581624 arp reply 192.168.1.156 is-at 00:21:6b:95:e1:f0
02:19:08.917636 arp reply 192.168.1.156 is-at 00:21:6b:95:e1:f0

Jun 11 02:13:46 dhcp dhcpd: DHCPOFFER on 192.168.1.154 to 00:33:43:6f:ab:47 (gjkjgkjgkj) via eth1
Jun 11 02:13:46 dhcp dhcpd: DHCPREQUEST for 192.168.1.154 (192.168.1.9) from 00:33:43:6f:ab:47 (gjkjgkjgkj) via eth1
Jun 11 02:13:46 dhcp dhcpd: DHCPACK on 192.168.1.154 to 00:33:43:6f:ab:47 (gjkjgkjgkj) via eth1
Jun 11 02:13:46 dhcp dhcpd: Abandoning IP address 192.168.1.154: declined.
Jun 11 02:13:46 dhcp dhcpd: DHCPDECLINE of 192.168.1.154 from 00:33:43:6f:ab:47 (gjkjgkjgkj) via eth1: not found
Jun 11 02:13:55 dhcp dhcpd: DHCPDISCOVER from 00:33:43:6f:ab:47 via eth1
Jun 11 02:13:56 dhcp dhcpd: DHCPOFFER on 192.168.1.155 to 00:33:43:6f:ab:47 (gjkjgkjgkj) via eth1
Jun 11 02:13:56 dhcp dhcpd: DHCPREQUEST for 192.168.1.155 (192.168.1.9) from 00:33:43:6f:ab:47 (gjkjgkjgkj) via eth1
Jun 11 02:13:56 dhcp dhcpd: DHCPACK on 192.168.1.155 to 00:33:43:6f:ab:47 (gjkjgkjgkj) via eth1
Jun 11 02:13:56 dhcp dhcpd: Abandoning IP address 192.168.1.155: declined.
Jun 11 02:13:56 dhcp dhcpd: DHCPDECLINE of 192.168.1.155 from 00:33:43:6f:ab:47 (gjkjgkjgkj) via eth1: not found
Jun 11 02:19:07 dhcp dhcpd: DHCPDISCOVER from 00:33:43:6f:ab:47 via eth1
Jun 11 02:19:08 dhcp dhcpd: DHCPOFFER on 192.168.1.156 to 00:33:43:6f:ab:47 (gjkjgkjgkj) via eth1
Jun 11 02:19:08 dhcp dhcpd: DHCPREQUEST for 192.168.1.156 (192.168.1.9) from 00:33:43:6f:ab:47 (gjkjgkjgkj) via eth1
Jun 11 02:19:08 dhcp dhcpd: DHCPACK on 192.168.1.156 to 00:33:43:6f:ab:47 (gjkjgkjgkj) via eth1
Jun 11 02:19:08 dhcp dhcpd: Abandoning IP address 192.168.1.156: declined.