Listening on LPF/eth0/00:15:c5:7e:06:c2
Sending on   LPF/eth0/00:15:c5:7e:06:c2
Sending on   Socket/fallback
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 6
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7
DHCPOFFER from 172.20.0.4
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPACK from 172.20.0.4
bound to 172.20.231.207 -- renewal in 77237123 seconds.
chris@chris-laptop:~$ sudo dhclient eth0
There is already a pid file /var/run/dhclient.pid with pid 12200
killed old client process, removed PID file
Internet Systems Consortium DHCP Client V3.0.5
Copyright 2004-2006 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

Listening on LPF/eth0/00:15:c5:7e:06:c2
Sending on   LPF/eth0/00:15:c5:7e:06:c2
Sending on   Socket/fallback
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 9
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 9
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
No DHCPOFFERS received.
Trying recorded lease 172.20.231.207
PING 172.20.0.2 (172.20.0.2) 56(84) bytes of data.

--- 172.20.0.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 1.022/1.022/1.022/0.000 ms
bound: renewal in 77237017 seconds.