WARNING: line length of 92 exceeds 80 columns
#65: FILE: tools/testing/selftests/net/cmsg_ipv6.sh:86:
+	    $NSEXE nohup tcpdump --immediate-mode -p -ni dummy0 -w $TMPF -c 4 2> /dev/null &

WARNING: line length of 92 exceeds 80 columns
#132: FILE: tools/testing/selftests/net/cmsg_ipv6.sh:127:
+	    $NSEXE nohup tcpdump --immediate-mode -p -ni dummy0 -w $TMPF -c 4 2> /dev/null &

total: 0 errors, 2 warnings, 0 checks, 135 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 b608a53d3f63 ("selftests/net: prepare cmsg_ipv6.sh for ipv4") 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, 135 lines checked