netdev - Re: [PATCH v4 for-next 00/12] Add network namespace support in the RDMA-CM

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Message-ID: <20150528174337.GA10448@obsidianresearch.com>
Date:	Thu, 28 May 2015 11:43:37 -0600
From:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:	Or Gerlitz <ogerlitz@...lanox.com>
Cc:	Doug Ledford <dledford@...hat.com>,
	Haggai Eran <haggaie@...lanox.com>, linux-rdma@...r.kernel.org,
	netdev@...r.kernel.org, Liran Liss <liranl@...lanox.com>,
	Guy Shapiro <guysh@...lanox.com>,
	Shachar Raindel <raindel@...lanox.com>,
	Yotam Kenneth <yotamke@...lanox.com>
Subject: Re: [PATCH v4 for-next 00/12] Add network namespace support in the
 RDMA-CM

On Thu, May 28, 2015 at 07:21:11PM +0300, Or Gerlitz wrote:

> Anything else except for that (you said "reworking of the network scripts
> and NetworkManager assumptions to make it work")??

IPv6 becomes very broken, child interfaces will generate the same IPv6
addreses for radv and link local resulting in duplicate address
scenarios.

About the only thing that will work properly is statically assigned
IPv4 addresses.

> I don't see why we should stop the whole RDMA containers support train just
> b/c we found out the IPoIB DHCP bug which was there for few years before
> this effort started.

I don't think that is what Doug said.

Jason
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