Warnings before patch: files: ['tools/testing/selftests/net/Makefile'] Current warnings: files: ['tools/testing/selftests/net/Makefile', 'tools/testing/selftests/net/act_nat_icmp_csum.sh', 'tools/testing/selftests/net/act_nat_icmp_csum_verify.py'] Warnings before: 0 after: 0