make -C tools/testing/selftests TARGETS="net" TEST_PROGS=fdb_notify.sh TESST_GEN_PROGS="" run_tests

DETECTED CRASH, lowering timeout
make: Entering directory '/home/virtme/testing-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
TAP version 13
1..1
# overriding timeout to 7200
# selftests: net: fdb_notify.sh
# 1.91 [+1.91] TEST: bridge add: Duplicate notifications                           [ OK ]
# 3.47 [+1.56] TEST: bridge del: Duplicate notifications                           [ OK ]
# 6.20 [+2.73] TEST: vxlan add: Duplicate notifications                            [ OK ]
# 7.77 [+1.57] TEST: vxlan del: Duplicate notifications                            [ OK ]
# 10.63 [+2.86] TEST: vxlan master add: Duplicate notifications                     [ OK ]
# 12.20 [+1.57] TEST: vxlan master del: Duplicate notifications                     [ OK ]
# 14.83 [+2.63] TEST: macvlan self add: Duplicate notifications                     [ OK ]
# 16.38 [+1.55] TEST: macvlan self del: Duplicate notifications                     [ OK ]
# 19.26 [+2.88] TEST: macvlan master add: Duplicate notifications                   [ OK ]
# 20.82 [+1.57] TEST: macvlan master del: Duplicate notifications                   [ OK ]
ok 1 selftests: net: fdb_notify.sh
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing-3/tools/testing/selftests'
xx__-> echo $?
0
xx__->