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From: Alfred Perlstein <bright@mu.org>
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To: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Subject: Re: HEADSUP! dhclient(8) sandboxing.
References: <20130703225209.GE1405@garage.freebsd.pl>
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On 7/3/13 3:52 PM, Pawel Jakub Dawidek wrote:
> Hi.
>
> I've just committed Capsicum sandboxing for the dhclient(8).
> Let me know (ideally by sending e-mail to current@ and CCing me) if you
> notice any weird behaviour.
>
> The work was sponsored by the FreeBSD Foundation.
>
It broke running dhclient on igb0 for me.  It says "interface not found" 
or something to that effect.

Can I help somehow?

Basically just "ifconfig down igb0" then try to run dhclient.  It will 
not work.  If you "up" the interface and then run it, it is OK.

See attached image.

-Alfred

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