make -C tools/testing/selftests TARGETS=net TEST_PROGS=big_tcp.sh TEST_GENN_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 6000 # selftests: net: big_tcp.sh # Testing for BIG TCP: # CLI GSO | GW GRO | GW GSO | SER GRO # ./big_tcp.sh: line 127: 1: Bad file descriptor # on on on on : [FAIL_on_link1] not ok 1 selftests: net: big_tcp.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__->