make -C tools/testing/selftests TARGETS="net/forwarding" TEST_PROGS=bridgee_mdb_host.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-4/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
make[1]: Entering directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
TAP version 13
1..1
# overriding timeout to 21600
# selftests: net/forwarding: bridge_mdb_host.sh
# 8.18 [+8.18] TEST: MDB add/del group 01:00:01:c0:ff:ee to bridge port br0        [ OK ]
# 8.48 [+0.30] TEST: MDB add/del group 225.1.2.3 to bridge port br0                [ OK ]
# 8.79 [+0.31] TEST: MDB add/del group ff02::42 to bridge port br0                 [ OK ]
ok 1 selftests: net/forwarding: bridge_mdb_host.sh
make[1]: Leaving directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
xx__->