make -C tools/testing/selftests TARGETS="drivers/net/virtio_net" TEST_PROGGS=basic_features.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-20/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-20/tools/testing/selftests/drivers/net/virtio_net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-20/tools/testing/selftests/drivers/net/virtio_net'
make[1]: Entering directory '/home/virtme/testing-20/tools/testing/selftests/drivers/net/virtio_net'
TAP version 13
1..1
# overriding timeout to 90
# selftests: drivers/net/virtio_net: basic_features.sh
# TEST: ping simple                                                   [ OK ]
# TEST: mac feature filtered                                          [ OK ]
ok 1 selftests: drivers/net/virtio_net: basic_features.sh
make[1]: Leaving directory '/home/virtme/testing-20/tools/testing/selftests/drivers/net/virtio_net'
make: Leaving directory '/home/virtme/testing-20/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
xx__->