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Date: Fri, 6 Mar 2026 16:26:13 -0800
From: Jakub Kicinski <kuba@kernel.org>
To: Hangbin Liu <liuhangbin@gmail.com>
Cc: Jay Vosburgh <jv@jvosburgh.net>, Andrew Lunn <andrew+netdev@lunn.ch>,
 "David S. Miller" <davem@davemloft.net>, Eric Dumazet
 <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>, Tonghao Zhang
 <tonghao@bamaicloud.com>, Nikolay Aleksandrov <razor@blackwall.org>,
 netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jay Vosburgh
 <jay.vosburgh@canonical.com>, Liang Li <liali@redhat.com>
Subject: Re: [PATCH net 0/2] bond: fix 2 link state issues
Message-ID: <20260306162613.05a8ca6e@kernel.org>
In-Reply-To: <20260304-b4-bond_updelay-v1-0-f72eb2e454d0@gmail.com>
References: <20260304-b4-bond_updelay-v1-0-f72eb2e454d0@gmail.com>
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On Wed, 04 Mar 2026 15:13:52 +0800 Hangbin Liu wrote:
> Here is the reproducer:
> 
> ```
> ip netns add ns
> ip -n ns link add bond0 type bond mode 3 miimon 100 updelay 200 downdelay 200
> ip -n ns link add type veth
> ip -n ns link add type veth
> ip -n ns link set veth1 up
> ip -n ns link set veth3 up
> ip -n ns link set veth0 master bond0
> ip -n ns link set veth2 master bond0
> ip -n ns link set bond0 up
> sleep 1
> ip -n ns link set veth3 down
> sleep 1
> ip -n ns link set veth3 up
> sleep 1
> dmesg | tail

Are you planning to add a regression test? Or you think this is too
much of a one-off regression? Just curious..