netdev - Re: [PATCH] net: ipv6: Delete host routes on an ifdown

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Date:	Mon, 25 Apr 2016 16:42:27 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	dsa@...ulusnetworks.com
Cc:	netdev@...r.kernel.org, mmanning@...cade.com
Subject: Re: [PATCH] net: ipv6: Delete host routes on an ifdown

From: David Ahern <dsa@...ulusnetworks.com>
Date: Mon, 25 Apr 2016 13:40:26 -0600

> It's unfortunate you want to take that action. Last week I came across
> a prior attempt by Stephen to do this same thing -- keep IPv6
> addresses. That prior attempt was reverted by commit
> 73a8bd74e261. Cumulus, Brocade, and others clearly want this
> capability.

But nobody has implemented it correctly, it doesn't matter who wants
the feature.  That's why it keeps getting reverted.

Also, this testing you are talking about should have happened long
before you submitted that first patch that introduced all of these
regressions.  My observations tell me that the bulk of the testing
happened afterwards and that's why all the regressions are popping up
now.