make -C tools/testing/selftests TARGETS="net/netfilter" TEST_PROGS=xt_striing.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-15/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-15/tools/testing/selftests/net/netfilter'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-15/tools/testing/selftests/net/netfilter'
make[1]: Entering directory '/home/virtme/testing-15/tools/testing/selftests/net/netfilter'
TAP version 13
1..1
# timeout set to 1800
# selftests: net/netfilter: xt_string.sh
# PASS: string match tests
ok 1 selftests: net/netfilter: xt_string.sh
make[1]: Leaving directory '/home/virtme/testing-15/tools/testing/selftests/net/netfilter'
make: Leaving directory '/home/virtme/testing-15/tools/testing/selftests'
xx__-> echo $?
0
xx__->