make -C tools/testing/selftests TARGETS="net/forwar<PROGS=tc_vlan_modify.sh TEST_GEN_PROGS="" run_tests      
make: Entering directory '/srv/vmksft/testing/wt-3/tools/testing/selftests'
make[1]: Nothing to be done for 'all'.
# timeout set to 10800
# selftests: net/forwarding: tc_vlan_modify.sh
# 13.26 [+13.26] TEST: VLAN modify at ingress                                        [ OK ]
# 25.22 [+11.96] TEST: VLAN modify at egress                                         [ OK ]
ok 1 selftests: net/forwarding: tc_vlan_modify.sh
make: Leaving directory '/srv/vmksft/testing/wt-3/tools/testing/selftests'
xx__-> echo $?
0
xx__->