Otherwise, this test does not find the sysctl entry in place: sysctl: cannot stat /proc/sys/net/netfilter/nf_conntrack_tcp_loose: No such file or directory iperf3: error - unable to send control message: Bad file descriptor FAIL: iperf3 returned an error Fixes: 7152303cbec4 ("selftests: netfilter: add synproxy test") Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> --- tools/testing/selftests/netfilter/nft_synproxy.sh | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/testing/selftests/netfilter/nft_synproxy.sh b/tools/testing/selftests/netfilter/nft_synproxy.sh index 09bb95c87198..b62933b680d6 100755 --- a/tools/testing/selftests/netfilter/nft_synproxy.sh +++ b/tools/testing/selftests/netfilter/nft_synproxy.sh @@ -23,6 +23,8 @@ checktool "ip -Version" "run test without ip tool" checktool "iperf3 --version" "run test without iperf3" checktool "ip netns add $nsr" "create net namespace" +modprobe -q nf_conntrack + ip netns add $ns1 ip netns add $ns2 -- 2.30.2