netdev - Stale IPv6 address accumulation on linux 3.2.17

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Message-ID: <2134F8430051B64F815C691A62D9831813520C@XCH-BLV-504.nw.nos.boeing.com>
Date:	Mon, 21 Oct 2013 15:50:24 +0000
From:	"Templin, Fred L" <Fred.L.Templin@...ing.com>
To:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Stale IPv6 address accumulation on linux 3.2.17

Hi,

On linux 3.2.17, I have a host that configures IPv6 addresses on
an eth0 interface based on Router Advertisements received from an
on-link linux box configured as an IPv6 router and running radvd.
When the host gets an RA, it configures both an EUI-64-based IPv6
address and an IPv6 privacy address, so it has two IPv6 addresses.
But, if I leave the host up for long periods of time, it seems to
accumulate additional IPv6 addresses - perhaps these are stale
IPv6 privacy addresses?

Is this known behavior, and if so is there a way to turn it off?
Or, perhaps this was a known bug that has been corrected in more
recent linux kernel versions?

Thanks - Fred
fred.l.templin@...ing.com
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