Re: [vserver] UCARP and VServer

From: Herbert Poetzl <>
Date: Mon 08 Apr 2013 - 21:56:02 BST
Message-ID: <>

On Mon, Apr 08, 2013 at 04:38:08PM +0100, Phil Daws wrote:
> Hello,

> yesterday I tried to get UCARP ( working with a CentOS 6.4 VServer guest but kept hitting the problem:

> Apr 7 15:55:50 ha1 ucarp[27635]: [ERROR] Unable to open raw device: [Operation not permitted]
> Apr 7 15:55:50 ha1 ucarp[27635]: [ERROR] Unable to find MAC address of [eth0]

> I have tried giving NET_RAW and NET_ADMIN capabilities to the
> guest but that still did not work. On a long shot I even tried
> ~HIDE_NETIF in nflags but that did not help at all.

> Any thoughts ?

you might be able to get this working with a network namespace,
but I don't see the point why you would want that inside a
guest (it might make some sense on the host)

Received on Mon Apr 8 21:56:08 2013

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