linux-kernel - ipv4:the same route is added repeatedly

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Message-ID: <20230314144159.2354729-1-gaoxingwang1@huawei.com>
Date:   Tue, 14 Mar 2023 22:41:59 +0800
From:   gaoxingwang <gaoxingwang1@...wei.com>
To:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <davem@...emloft.net>, <yoshfuji@...ux-ipv6.org>, <kuba@...nel.org>
CC:     <pabeni@...hat.com>, <shuah@...nel.org>, <liaichun@...wei.com>,
        <yanan@...wei.com>
Subject: ipv4:the same route is added repeatedly

When i add default route in /etc/sysconfig/static-routes, and then restart network service, it appears to add two same default route:
[root@...alhost ~]# ip r
default via 9.82.0.1 dev eth0 
default via 9.82.0.1 dev eth0 

The static-routes file contents are as follows:
any net 0.0.0.0 netmask 0.0.0.0 gw 110.1.62.1

This problem seems to be related to patch f96a3d7455(ipv4: Fix incorrect route flushing when source address is deleted). When I revert this patch, the problem gets fixed.
Is that a known issue?