make -C tools/testing/selftests TARGETS="net" TEST_PROGS=busy_poll_test.shh TEST_GEN_PROGS="" run_tests make: Entering directory '/home/virtme/testing-1/tools/testing/selftests' make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net' make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net' TAP version 13 1..1 # timeout set to 3600 # selftests: net: busy_poll_test.sh # nc: invalid option -- 'N' # Ncat: Try `--help' or man(1) ncat for more information, usage options and help. QUITTING. # md5sum mismatch # input file md5sum: 640b676c5d2f477a321d76e60818d7e5 # output file md5sum: d41d8cd98f00b204e9800998ecf8427e # test_busypoll failed not ok 1 selftests: net: busy_poll_test.sh # exit=1 make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net' make: Leaving directory '/home/virtme/testing-1/tools/testing/selftests' xx__-> echo $? 0 xx__->