From: yuan linyu <cug...@163.com> Date: Wed, 20 Dec 2017 21:20:49 +0800
> From: yuan linyu <linyu.y...@alcatel-sbell.com.cn> > > this try to allow tcpdump to capture packet once device IFF_UP > > Signed-off-by: yuan linyu <linyu.y...@alcatel-sbell.com.cn> I don't think this is such a great idea. Even if it "works": 1) The behavior goes back decades, this means real applications can be broken by this change. 2) The feedback is useful, if I ran tcpdump on the wrong interface I'd like to get this error if the interface I mistakenly chose was done in order to help me figure this out.
