Look at the output, it appears to have worked, but it also looks like you possibly had a wired link, eth0, up?
To be sure that the wireless link is working, it might be better to kill the wired link before connecting: $ ps aux | grep udhcpc
2555 root /sbin/udhcpc -b -i eth0 -x hostname boxdell -p /var/run/udhcpc.eth0.pid
14804 tc grep udhcpc
$ sudo kill 2555
..and then, after connecting with wireless: $ ping -c2 google.com