WARNING: line length of 90 exceeds 80 columns
#43: FILE: tools/testing/selftests/net/netfilter/nf_nat_edemux.sh:29:
+	ip netns exec "$ns" ss -nt -o state established "dport = :$port" | grep -q "$port"

WARNING: line length of 87 exceeds 80 columns
#51: FILE: tools/testing/selftests/net/netfilter/nf_nat_edemux.sh:37:
+	if ! ip netns exec "$ns" conntrack --get -s 192.168.1.2 -d 192.168.1.1 -p tcp \

WARNING: line length of 82 exceeds 80 columns
#52: FILE: tools/testing/selftests/net/netfilter/nf_nat_edemux.sh:38:
+	     --sport 10000 --dport "$dp" --state ESTABLISHED > /dev/null 2>&1;then

WARNING: line length of 133 exceeds 80 columns
#67: FILE: tools/testing/selftests/net/netfilter/nf_nat_edemux.sh:69:
+ip netns exec "$ns2" iptables -t nat -A OUTPUT -d 10.96.0.1/32 -p tcp --dport 443 -j DNAT --to-destination 192.168.1.1:5201 || exit 1

WARNING: line length of 102 exceeds 80 columns
#90: FILE: tools/testing/selftests/net/netfilter/nf_nat_edemux.sh:99:
+sleep 5 | ip netns exec "$ns2" socat -T 5 -u STDIN TCP:192.168.1.1:5202,connect-timeout=5 >/dev/null &

WARNING: line length of 102 exceeds 80 columns
#96: FILE: tools/testing/selftests/net/netfilter/nf_nat_edemux.sh:102:
+sleep 5 | ip netns exec "$ns2" socat -T 5 -u STDIN TCP:192.168.1.1:5203,connect-timeout=5 >/dev/null &

total: 0 errors, 6 warnings, 0 checks, 91 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 9989731d3ce2 ("selftests: netfilter: query conntrack state to check for port clash resolution") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 6 warnings, 0 checks, 91 lines checked