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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] Fix panic in ip6_pol_route
Date: Wed, 06 Apr 2011 01:21:33 -0700 (PDT)
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From: Krishna Kumar2 <krkumar2@in.ibm.com>
Date: Wed, 6 Apr 2011 13:40:57 +0530

> Is it better to disallow configuring vlan on lo?

Yes, but the real stinker to me is that the IFF_LOOPBACK flag
propagates to the VLAN device, that really seems even more
wrong to me.