Comment 1 for bug 1389802

Probing the logs returns interesting information:

async@malzinho:~$ grep -e DHCPREQUEST /var/log/syslog | grep dhcpd
Nov 4 17:45:51 malzinho dhcpd: DHCPREQUEST for 10.99.1.50 (10.99.1.1) from 00:25:90:cf:33:21 via eth0
Nov 4 17:47:08 malzinho dhcpd: DHCPREQUEST for 10.99.1.51 (10.99.1.1) from 00:25:90:e3:28:36 via eth0
Nov 4 17:47:50 malzinho dhcpd: DHCPREQUEST for 10.99.1.51 (10.99.1.1) from 00:25:90:e3:28:36 (maas-enlist) via eth0
Nov 4 17:51:25 malzinho dhcpd: DHCPREQUEST for 10.99.1.51 (10.99.1.1) from 00:25:90:e3:28:36 via eth0
Nov 4 17:57:15 malzinho dhcpd: DHCPREQUEST for 10.99.1.53 (10.99.1.1) from 00:25:90:ce:df:7f via eth0
Nov 4 17:57:44 malzinho dhcpd: DHCPREQUEST for 10.99.1.54 (10.99.1.1) from 00:25:90:e1:63:7c via eth0
Nov 4 17:58:31 malzinho dhcpd: DHCPREQUEST for 10.99.1.54 (10.99.1.1) from 00:25:90:e1:63:7c (maas-enlist) via eth0
Nov 4 18:41:47 malzinho dhcpd: DHCPREQUEST for 10.99.1.56 (10.99.1.1) from ec:a8:6b:fa:8d:e5 (nuc0amt) via eth0
Nov 4 18:43:02 malzinho dhcpd: DHCPREQUEST for 10.99.1.57 (10.99.1.1) from ec:a8:6b:fa:8d:e5 via eth0
Nov 4 19:04:39 malzinho dhcpd: DHCPREQUEST for 10.99.1.51 (10.99.1.1) from 00:25:90:e3:28:36 via eth0
Nov 4 19:04:42 malzinho dhcpd: DHCPREQUEST for 10.99.1.54 (10.99.1.1) from 00:25:90:e1:63:7c via eth0
Nov 4 19:04:43 malzinho dhcpd: DHCPREQUEST for 10.99.1.57 (10.99.1.1) from ec:a8:6b:fa:8d:e5 (tame-bottle) via eth0
Nov 4 19:05:37 malzinho dhcpd: DHCPREQUEST for 10.99.1.51 (10.99.1.1) from 00:25:90:e3:28:36 (ample-dirt) via eth0
Nov 4 19:05:42 malzinho dhcpd: DHCPREQUEST for 10.99.1.54 (10.99.1.1) from 00:25:90:e1:63:7c (smug-pigs) via eth0
Nov 4 19:06:48 malzinho dhcpd: DHCPREQUEST for 10.99.1.57 from ec:a8:6b:fa:8d:e5 (tame-bottle) via eth0
Nov 4 19:07:34 malzinho dhcpd: DHCPREQUEST for 10.99.1.58 (10.99.1.1) from 00:25:90:e1:63:7d (smug-pigs) via eth0