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Date:   Sun, 31 May 2020 17:09:07 -0600
From:   David Ahern <>
To:     "Ian K. Coolidge" <>,
Subject: Re: [PATCH v2 1/2] iproute2: ip addr: Organize flag properties

On 5/27/20 12:03 PM, Ian K. Coolidge wrote:
> This creates a nice systematic way to check that the various flags are
> mutable from userspace and that the address family is valid.
> Mutability properties are preserved to avoid introducing any behavioral
> change in this CL. However, previously, immutable flags were ignored and
> fell through to this confusing error:
> Error: either "local" is duplicate, or "dadfailed" is a garbage.
> But now, they just warn more explicitly:
> Warning: dadfailed option is not mutable from userspace
> ---
>  ip/ipaddress.c | 112 ++++++++++++++++++++++++-------------------------
>  1 file changed, 55 insertions(+), 57 deletions(-)

applied both to iproute2-next. Thanks,

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