netdev - Re: PMTUD broken inside network namespace with multipath routing

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Message-ID: <deb7a653-a01b-da4f-c58e-15b6c0c51d75@gmail.com>
Date:   Mon, 10 Aug 2020 16:13:46 -0600
From:   David Ahern <dsahern@...il.com>
To:     mastertheknife <mastertheknife@...il.com>
Cc:     netdev@...r.kernel.org
Subject: Re: PMTUD broken inside network namespace with multipath routing

On 8/3/20 12:39 PM, mastertheknife wrote:
> In summary: It seems that it doesn't matter who is the nexthop. If the
> ICMP response isn't from the nexthop, it'll be rejected.
> About why i couldn't reproduce this outside LXC, i don't know yet but
> i will keep trying to figure this out.

do you have a shell script that reproduces the problem?