WARNING: line length of 88 exceeds 80 columns
#52: FILE: tools/testing/selftests/net/netfilter/nft_flowtable.sh:604:
+ip -net "$nsr2" link add name tun6 type ip6tnl local fee1:2::2 remote fee1:2::1 || ret=1

WARNING: line length of 91 exceeds 80 columns
#85: FILE: tools/testing/selftests/net/netfilter/nft_flowtable.sh:673:
+ip -net "$nsr2" link add name tun6.10 type ip6tnl local fee1:4::2 remote fee1:4::1 || ret=1

total: 0 errors, 2 warnings, 0 checks, 51 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 2e3fa7e6899e ("selftests: netfilter: add IPV6_TUNNEL to config") 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, 2 warnings, 0 checks, 51 lines checked