WARNING: line length of 99 exceeds 80 columns
#35: FILE: tools/testing/selftests/net/forwarding/lib.sh:520:
+		MAC_ADDR_ORIG["$dev"]=$(run_on $dev ip -j link show dev $dev | jq -e '.[].address')

WARNING: line length of 81 exceeds 80 columns
#48: FILE: tools/testing/selftests/net/forwarding/lib.sh:533:
+		run_on $dev ip link set dev $dev address ${MAC_ADDR_ORIG["$dev"]}

WARNING: line length of 90 exceeds 80 columns
#81: FILE: tools/testing/selftests/net/forwarding/lib.sh:939:
+		run_on "$dev" ethtool --json -S "$dev" --groups "$grp" -- --src "$src" | \

total: 0 errors, 3 warnings, 0 checks, 58 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 fc040d4a79ab ("selftests: net: update some helpers to use run_on") 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, 3 warnings, 0 checks, 58 lines checked