[BUG?] dhclient sends packets with source IP address that has been deleted

[Yuri]

On 04/06/2015 20:13, Yuri wrote:
> I am observing what dhclient sends to the server. Source IP of the 
> packet it sends is the previous DHCP lease. This address doesn't exist 
> any more, because I manually deleted it with 'ifconfig em0 remove 
> <IP>' command. Yet, when I rerun dhclient, it takes this address from 
> /var/db/dhclient.leases.em0 and sends the UDP packet with this 
> non-existent IP as source address in IP header. 

Here is why I was asking many annoying questions lately in this ML: 
https://github.com/yurivict/freebsd-vbox-to-tor
New service to connect VirtualBox VM to TOR using firewall rules and 
tap(4) interfaces. Security-through-isolation.

Yuri