netdev - Re: [Bug 194749] New: kernel bonding does not work in a network nameservice in versions above 3.10.0-229.20.1

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Date:   Fri, 3 Mar 2017 10:11:32 -0800
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     Nicolas Dichtel <nicolas.dichtel@...nd.com>,
        Dan Geist <dan@...ter.net>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        chenweilong@...wei.com, Jiri Pirko <jiri@...lanox.com>
Subject: Re: [Bug 194749] New: kernel bonding does not work in a network
 nameservice in versions above 3.10.0-229.20.1

On Fri, Mar 3, 2017 at 8:03 AM, Jiri Pirko <jiri@...nulli.us> wrote:
> If that use case exists I believe it is an abuse. Soft devices that are
> by definition in upper-lower relationships with other devices should not
> move to other namespaces. Prevents all kinds of issues. If you need a
> soft device like bridge of bond within a namespace, just create it there.
>

I can't agree. Dan's use case is pretty valid, lower devices are moved
into a netns before enslaving to the bonding device, it is perfect valid.
NETIF_F_NETNS_LOCAL was introduced for loopback which is
created during netns creation, forcing users to create a bond device in
each netns is not friendly.

What issues are you talking about there? Can't we just fix them?