net/netfilter/conntrack_tcp_unreplied.sh

23 	ip netns pids "$ns2" | xargs kill 2>/dev/null
39 	if ! ip netns exec "$ns2" nft list counter inet filter "$name" | grep -q "$expect"; then
40 		echo "ERROR: counter $name in $ns2 has unexpected value (expected $expect)" 1>&2
41 		ip netns exec "$ns2" nft list counter inet filter "$name" 1>&2
51 setup_ns ns1 ns2
55 ip -net "$ns1" link set netns "$ns2" dev veth2
58 ip -net "$ns2" link set up dev lo
60 ip -net "$ns2" link set up dev veth2
62 ip -net "$ns2" addr add 10.11.11.2/24 dev veth2
63 ip -net "$ns2" route add default via 10.11.11.1
65 ip netns exec "$ns2" sysctl -q net.ipv4.conf.veth2.forwarding=1
83 ip netns exec "$ns2" socat -u -4 TCP-LISTEN:8080,reuseaddr STDOUT &
85 ip netns exec "$ns2" nft -f - <<EOF
101 ip netns exec "$ns2" sysctl -q net.netfilter.nf_conntrack_tcp_timeout_syn_sent=10
103 echo "INFO: connect $ns1 -> $ns2 to the virtual ip"
111 	count=$(ip netns exec "$ns2" conntrack -L -p tcp --dport 80 2>/dev/null | wc -l)
122 	echo "ERROR: $ns2 did not pick up tcp connection from peer"
126 ip netns exec "$ns2" nft -f - <<EOF
141 	count=$(ip netns exec "$ns2" conntrack -L -p tcp --reply-port-src 8080 2>/dev/null | wc -l)
148 echo "INFO: NAT redirect added in ns $ns2, waiting for $BUSYWAIT_TIMEOUT ms for nat to take effect"
154 if ! check_counter "$ns2" "redir" "$expect"; then