WARNING: line length of 86 exceeds 80 columns
#41: FILE: tools/testing/selftests/net/packetdrill/ksft_runner.sh:41:
+unshare -n packetdrill ${ipv4_args[@]} ${optargs[@]} $(basename $script) > /dev/null \

WARNING: line length of 86 exceeds 80 columns
#44: FILE: tools/testing/selftests/net/packetdrill/ksft_runner.sh:43:
+unshare -n packetdrill ${ipv6_args[@]} ${optargs[@]} $(basename $script) > /dev/null \

total: 0 errors, 2 warnings, 0 checks, 19 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 6a063b0bd75d ("selftests/net: packetdrill: increase timing tolerance in debug mode") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE 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, 2 warnings, 0 checks, 19 lines checked