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Date:   Sun, 26 Apr 2020 09:45:29 +0200
From:   Florian Westphal <fw@strlen.de>
To:     Liu Yiding <liuyd.fnst@cn.fujitsu.com>
Cc:     linux-kselftest@vger.kernel.org, Philip Li <philip.li@intel.com>,
        Florian Westphal <fw@strlen.de>,
        Stefano Brivio <sbrivio@redhat.com>
Subject: Re: About selftests/netfilter failed subtests
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References: <4aa34cdf-2145-01e7-acdf-2fc5d931bbee@cn.fujitsu.com>
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Liu Yiding <liuyd.fnst@cn.fujitsu.com> wrote:
> Hi, all.
> 
> Our team works on testing kernel commit and reporting regression.
> 
> Tool selftests is important to us.
> 
> Recently i enabled netfilter in out testing env, i met below failed
> subtests.
> 
> ```
> 
>   "kernel-selftests.netfilter.nft_nat.sh.fail": [
> "kernel-selftests.netfilter.conntrack_icmp_related.sh.fail": [
>   "kernel-selftests.netfilter.nft_flowtable.sh.fail": [
>   "kernel-selftests.netfilter.nft_concat_range.sh.fail": [
> 
> ```
> 
> Our testing env:
> 
> 
> It looks that i missed some modules or i get wrong config of nftables. I had
> opend kconfig mentioned in netfilter/config.

Maybe its incomplete. From a quick glance, all of these should be on:

# CONFIG_NFT_OBJREF is not set
# CONFIG_NFT_NAT is not set
# CONFIG_NF_FLOW_TABLE is not set
# CONFIG_NF_TABLES_NETDEV is not set