WARNING: line length of 100 exceeds 80 columns
#84: FILE: tools/testing/selftests/net/ovpn/ovpn-cli.c:1713:
+	fprintf(stderr, "\t\t<peer_id> <tx_id> <raddr> <rport> <laddr> <lport> <vpnaddr> [mark]\n");

WARNING: line length of 81 exceeds 80 columns
#141: FILE: tools/testing/selftests/net/ovpn/test-mark.sh:31:
+	ip netns exec peer0 ${OVPN_CLI} new_key tun0 ${p} 1 0 ${ALG} 0 data64.key

WARNING: line length of 93 exceeds 80 columns
#163: FILE: tools/testing/selftests/net/ovpn/test-mark.sh:53:
+	'add chain inet filter output { type filter hook output priority 0; policy accept; }'

WARNING: line length of 85 exceeds 80 columns
#164: FILE: tools/testing/selftests/net/ovpn/test-mark.sh:54:
+ip netns exec peer0 nft add rule inet filter output meta mark == ${MARK} counter drop

WARNING: line length of 91 exceeds 80 columns
#172: FILE: tools/testing/selftests/net/ovpn/test-mark.sh:62:
+	PING_OUTPUT=$(ip netns exec peer0 ping -qfc 500 -w 1 5.5.5.$((p+1)) 2>&1) && exit 1

WARNING: line length of 93 exceeds 80 columns
#174: FILE: tools/testing/selftests/net/ovpn/test-mark.sh:64:
+	LOST_PACKETS=$(echo "$PING_OUTPUT" | grep 'packets transmitted' | awk '{ print $1 }')

total: 0 errors, 6 warnings, 0 checks, 151 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 2b2a8a5d85c9 ("selftests: ovpn: add test for the FW mark feature") 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, 151 lines checked