WARNING: Unknown commit id 'dbff26bfba833', maybe rebased or not pulled?
#6: 
As a side-effect of nftables' commit dbff26bfba833 ("cache: consolidate

total: 0 errors, 1 warnings, 0 checks, 98 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 c4aa2ce14210 ("selftests: netfilter: Fix nft_audit.sh for newer nft binaries") 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, 1 warnings, 0 checks, 98 lines checked