Re: That's pretty much it for 3.5.0

From: John Fastabend <redacted>
Date: Tue, 17 Jul 2012 15:13:36 -0700

Perhaps the easiest way is to check net->count this should be zero
until setup_net is called.

if (!atomic_read(&init_net.count))
	return ret;

Won't work, setup_net() runs via a pure_initcall().