netdev - Re: IPv6 addr and route is gone after adding port to vrf (5.2.0+)

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Date:   Fri, 16 Aug 2019 13:15:05 -0600
From:   David Ahern <dsahern@...il.com>
To:     Ben Greear <greearb@...delatech.com>,
        netdev <netdev@...r.kernel.org>
Subject: Re: IPv6 addr and route is gone after adding port to vrf (5.2.0+)

On 8/16/19 1:13 PM, Ben Greear wrote:
> I have a problem with a VETH port when setting up a somewhat complicated
> VRF setup. I am loosing the global IPv6 addr, and also the route,
> apparently
> when I add the veth device to a vrf.  From my script's output:

Either enslave the device before adding the address or enable the
retention of addresses:

sysctl -q -w net.ipv6.conf.all.keep_addr_on_down=1