netdev - Re: If bridge have no sub-interfaces, it's status may be still with 'RUNNING'

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Message-ID: <54DDCB37.60603@windriver.com>
Date:	Fri, 13 Feb 2015 18:00:23 +0800
From:	yzhu1 <Yanjun.Zhu@...driver.com>
To:	netdev <netdev@...r.kernel.org>,
	"Wu, Kuaikuai" <Kuaikuai.Wu@...driver.com>,
	"Tao, Yue" <Yue.Tao@...driver.com>,
	"stephen@...workplumber.org >> Stephen Hemminger" 
	<stephen@...workplumber.org>
Subject: Re: If bridge have no sub-interfaces, it's status may be still with
 'RUNNING'

Add the maintainer of bridge.

Any reply is appreciated.

Zhu Yanjun

On 02/13/2015 05:57 PM, yzhu1 wrote:
> Hi, all
>
> I made this test on ubuntu 14.04 with kernel 3,19-rc7:
>
> 1. brctl addbr br0
>
> 2. ifconfig br0 up
>
> 3. ifconfig br0 (br0's status is with 'RUNNING')
>
> 4. brctl addif br0 eth0
>
> 5. brctl delif br0 eth0
>
> 6. ifconfig br0 (br0's status is without 'RUNNING')
>
> When there is no sub-interface, the flag "RUNNING" is missing after 
> the last sub-interface is removed.
>
> As such, should we keep "RUNNING" flag after the last sub-interface is 
> removed?
>
> Thanks a lot.
> Zhu Yanjun
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