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Date:   Fri, 14 Oct 2022 12:20:37 -0500
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Subject: Re: [RFC] EADDRINUSE from bind() on application restart after killing
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To:     Eric Dumazet <edumazet@google.com>
Cc:     Muhammad Usama Anjum <usama.anjum@collabora.com>,
        "open list:NETWORKING [TCP]" <netdev@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
        David Ahern <dsahern@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Jakub Kicinski <kuba@kernel.org>
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From:   Paul Gofman <pgofman@codeweavers.com>
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On 10/14/22 11:45, Eric Dumazet wrote:
> On Fri, Oct 14, 2022 at 9:39 AM Paul Gofman <pgofman@codeweavers.com> wrote:
>
> I think it is documented.
>
> man 7 socket
>
>         SO_REUSEADDR
>                Indicates that the rules used in validating addresses
> supplied in a bind(2) call should allow reuse of local addresses.  For
> AF_INET sockets this means
>                that a socket may bind, except when there is an active
> listening socket bound to the address.  When the listening socket is
> bound to INADDR_ANY with  a
>                specific port then it is not possible to bind to this
> port for any local address.  Argument is an integer boolean flag.
>
> You seem to need another way, so you will have to ask this question in IETF.
Thanks a lot, I think it answers my question, I am afraid I was reading 
this a bit wrong.