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Date:   Tue, 24 Jan 2023 17:57:31 -0500
From:   Sasha Levin <sashal@kernel.org>
To:     Nobel Barakat <nobelbarakat@google.com>
Cc:     stable@vger.kernel.org
Subject: Re: 5.10 and 5.4 Backport Request: netfilter: conntrack: do not
 renew entry stuck in tcp SYN_SENT state
Message-ID: <Y9BiW426+wM0FmZw@sashalap>
References: <CANZXNgMiuk=YwZCFO_u-L+20qKZT2xCGWfO7onou4XT+xQNUsA@mail.gmail.com>
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On Mon, Jan 23, 2023 at 11:01:47AM -0800, Nobel Barakat wrote:
>PATCH_SUBJECT: netfilter: conntrack: do not renew entry stuck in tcp
>SYN_SENT state
>PATCH_COMMIT:  e15d4cdf27cb0c1e977270270b2cea12e0955edd
>
>Reason for backport request:
>
>We've had a few customers experience issues with dnat such that their
>kubernetes processes are now unreachable. Because dnat rules fail to
>update, kubernetes pod IPs won't resolve and traffic gets blackholed
>causing any healthcheck service to kill and restart the pod. This
>commit has been verified to fix the issue and the ask here is to
>backport it to kernel versions v5.4 and v5.10.

Queued up, thanks for the report!

-- 
Thanks,
Sasha