On Fri, Apr 09, 2021 at 10:36:42PM -0400, Zhu Yanjun wrote: > > What is the actual symptom this patch is trying to address? > > This patch is try to fix the problem in the link > https://lore.kernel.org/linux-rdma/880d7b59-4b17-a44f-1a91-88257bfc3aaa@xxxxxxxxxx/T/#t you should ignore the -97 return code when creating the UDP v6 socket Jason