make -C tools/testing/selftests TARGETS="drivers/net/netdevsim" TES<ST_PROGS=ethtool-fec.sh TEST_GEN_PROGS="" run_tests                      
make: Entering directory '/srv/vmksft/testing/wt-13/tools/testing/selftests'
make[1]: Nothing to be done for 'all'.
TAP version 13
1..1
# timeout set to 600
# selftests: drivers/net/netdevsim: ethtool-fec.sh
# PASSED all 34 checks
ok 1 selftests: drivers/net/netdevsim: ethtool-fec.sh
make: Leaving directory '/srv/vmksft/testing/wt-13/tools/testing/selftests'
xx__-> echo $?
0
xx__->