make -C tools/testing/selftests TARGETS<T_PROGS=sch_tbf_root.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: sch_tbf_root.sh
# 6.38 [+6.38] TEST: ping vlan 10                                                  [ OK ]
# 7.34 [+0.97] TEST: ping vlan 11                                                  [ OK ]
# 23.41 [+16.07] TEST: TC 0: TBF rate 400Mbit                                        [ OK ]
ok 1 selftests: net/forwarding: sch_tbf_root.sh
make: Leaving directory '/srv/vmksft/testing/wt-3/tools/testing/selftests'
xx__-> echo $?
0
xx__->