Do you see the following error while running selftests netfilter nft_nat.sh test ? Are we missing any kernel config fragments ? We are merging configs from the directory. # selftests netfilter nft_nat.sh netfilter: nft_nat.sh_ # # Cannot create namespace file \"/var/run/netns/ns1\" File exists create: namespace_file # # internal00-0 Error Could not open file \"-\" No such file or directory Error: Could_not # # : _ # # : _ # # internal00-0 Error Could not open file \"-\" No such file or directory Error: Could_not # # : _ # # : _ # # internal00-0 Error Could not open file \"-\" No such file or directory Error: Could_not # # : _ # # : _ # # <cmdline>16-12 Error syntax error, unexpected counter Error: syntax_error, # # list counter inet filter ns0in counter: inet_filter # # ^^^^^^^ : _ # # ERROR ns0in counter in ns1 has unexpected value (expected packets 1 bytes 84) ns0in: counter_in # # <cmdline>16-12 Error syntax error, unexpected counter Error: syntax_error, # # list counter inet filter ns0in counter: inet_filter # # ^^^^^^^ : _ # # <cmdline>16-12 Error syntax error, unexpected counter Full test log: https://lkft.validation.linaro.org/scheduler/job/1021542#L14602 https://qa-reports.linaro.org/lkft/linux-next-oe/build/next-20191125/testrun/1021542/log Dashboard link, https://qa-reports.linaro.org/lkft/linux-mainline-oe/tests/kselftest/netfilter_nft_nat.sh https://qa-reports.linaro.org/lkft/linux-next-oe/tests/kselftest/netfilter_nft_nat.sh metadata: git branch: master git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git commit: c165016bac2719e05794c216f9b6da730d68d1e3 git describe: next-20191125 make_kernelversion: 5.4.0-rc8 kernel-config: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/hikey/lkft/linux-next/653/config build-location: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/hikey/lkft/linux-next/653 Best regards Naresh Kamboju