netdev - Re: [PATCH] net: Fix the arp error in some cases

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Message-Id: <20200615.181407.504559925309112695.davem@davemloft.net>
Date:   Mon, 15 Jun 2020 18:14:07 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     geffrey.guo@...wei.com
Cc:     kuznet@....inr.ac.ru, netdev@...r.kernel.org,
        dsa@...ulusnetworks.com, kuba@...nel.org
Subject: Re: [PATCH] net: Fix the arp error in some cases

From: guodeqing <geffrey.guo@...wei.com>
Date: Tue, 16 Jun 2020 09:00:50 +0800

> ie.,
> $ ifconfig eth0 6.6.6.6 netmask 255.255.255.0
> 
> $ ip rule add from 6.6.6.6 table 6666
> 
> $ ip route add 9.9.9.9 via 6.6.6.6
> 
> $ ping -I 6.6.6.6 9.9.9.9
> PING 9.9.9.9 (9.9.9.9) from 6.6.6.6 : 56(84) bytes of data.
> 
> 3 packets transmitted, 0 received, 100% packet loss, time 2079ms
> 
> $ arp
> Address     HWtype  HWaddress           Flags Mask            Iface
> 6.6.6.6             (incomplete)                              eth0
> 
> The arp request address is error, this problem can be reproduced easily.
> 
> Fixes: 3bfd847203c6("net: Use passed in table for nexthop lookups")
> Signed-off-by: guodeqing <geffrey.guo@...wei.com>

When David Ahern said you need to more clearly explain the actual
problem you are seeing, he also meant that you need to add that information
to your commit message as well.