WARNING: line length of 81 exceeds 80 columns
#86: FILE: tools/testing/selftests/drivers/net/virtio_net/basic_features.sh:135:
+		local hold=$(grep -c "page_pool_state_hold" "$trace" 2>/dev/null)

WARNING: line length of 87 exceeds 80 columns
#87: FILE: tools/testing/selftests/drivers/net/virtio_net/basic_features.sh:136:
+		local release=$(grep -c "page_pool_state_release" "$trace" 2>/dev/null)

WARNING: line length of 83 exceeds 80 columns
#88: FILE: tools/testing/selftests/drivers/net/virtio_net/basic_features.sh:137:
+		log_info "page_pool events: hold=${hold:-0}, release=${release:-0}"

total: 0 errors, 3 warnings, 0 checks, 88 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 2834250c6014 ("selftests: virtio_net: add buffer circulation test") 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, 88 lines checked