From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D2CEC22172C for ; Tue, 6 Jan 2026 02:07:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767665235; cv=none; b=T72bhgTNV7tTNevtJ8B8/T85xrPG0LomRRwk1+1SijTHJIuoonLuTLEvLvkyUvNSFgYFm4mKFlkWh7UoiqKlG/WnIW7x2AJkOsGA6cxoPv7lyijy6S96QkfL3tQJudk2NUaa1yVlZ7wwO9476smMfk6CT0dD3Oj4SHalY6ao1XI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767665235; c=relaxed/simple; bh=Iq3LL3sAdS4auCZHMzIVfTuZ1csMLEPUU4B0B6p4A8g=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=FqeCubSY0uQfKadLXvrX9ALlzw9pSqQD57TJ7l0MRGDIadzdMNWZ60xdcZi72g0dzET8Xy75TDpLtxMF6Dx/AgUiahabRv+LDmC8qsUPaMCYjDfKWoLy+scfvElZbtaFhv0sA2617eGbJ/JjecOe2YrUGJEz3QcZHhFEbWux9io= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eN3GscNy; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="eN3GscNy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 50260C116D0; Tue, 6 Jan 2026 02:07:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767665234; bh=Iq3LL3sAdS4auCZHMzIVfTuZ1csMLEPUU4B0B6p4A8g=; h=Date:From:To:Cc:Subject:From; b=eN3GscNyk7J7qkk9oVsWDBuDEijJQK9n5PkDThDcUHgB2Auf0Q4kdV0qcpR26OsB+ UC5MRgbMlDYcRcXg7vnV+zW1fLcSH7bqBJlEeFivbhGTmF/aI46AXHn860E+lC2QwH +ZV6YfxkUTtfmKh6yB23gVm1bRzCo6IIdMu7+ICaB7eBucd8P/xBStFXAdwqgowMJi 4bE/n69fUpri4ZO5VHwgIab9d/WK7+39oLkL0OthOiheJN7/UK25nquWdxXVkVhCQF cDifkAcC0kOrvNaXJzuXOBrsvnfyBDLM86Kwz1t4cjGCADrEEDIVKW2n9AFAVZnC3t sG3vQnRvtAfTg== Date: Mon, 5 Jan 2026 18:07:12 -0800 From: Jakub Kicinski To: Taehee Yoo Cc: netdev@vger.kernel.org Subject: [TEST] amt.sh flaking Message-ID: <20260105180712.46da1eb4@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Hi Taehee! After migration to netdev foundation machines the amt.sh test has gotten a bit more flaky: https://netdev.bots.linux.dev/contest.html?test=amt-sh In fact it's the second most flaky test we have after txtimestamp.sh. All the failures are on non-debug kernels, and look like this: TAP version 13 1..1 # timeout set to 3600 # selftests: net: amt.sh # 0.26 [+0.26] TEST: amt discovery [ OK ] # 15.27 [+15.01] 2026/01/05 19:33:27 socat[4075] W exiting on signal 15 # 15.28 [+0.01] TEST: IPv4 amt multicast forwarding [FAIL] # 17.30 [+2.02] TEST: IPv6 amt multicast forwarding [ OK ] # 17.30 [+0.00] TEST: IPv4 amt traffic forwarding torture .......... [ OK ] # 19.48 [+2.18] TEST: IPv6 amt traffic forwarding torture .......... [ OK ] # 26.71 [+7.22] Some tests failed. not ok 1 selftests: net: amt.sh # exit=1 FWIW the new setup is based on Fedora 43 with: # cat /etc/systemd/network/99-default.link [Match] OriginalName=* [Link] NamePolicy=keep kernel database onboard slot path AlternativeNamesPolicy=database onboard slot path mac MACAddressPolicy=none