make -C tools/testing/selftests TARGETS="net/forwarding" TEST_PROGS=routerr.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: router.sh

DETECTED CRASH, lowering timeout
# 16.07 [+16.07] TEST: ping                                                          [ OK ]
# 17.53 [+1.46] TEST: ping6                                                         [ OK ]
# 18.93 [+1.40] TEST: Source IP in class E                                          [ OK ]
# 20.42 [+1.49] TEST: Multicast MAC mismatch: IPv4                                  [ OK ]
# 21.76 [+1.34] TEST: Multicast MAC mismatch: IPv6                                  [ OK ]
# 23.45 [+1.69] TEST: Source IP is equal to destination IP: IPv4                    [ OK ]
# 24.89 [+1.44] TEST: Source IP is equal to destination IP: IPv6                    [ OK ]
# 26.40 [+1.51] TEST: IPv4 destination IP is link-local                             [ OK ]
ok 1 selftests: net/forwarding: router.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__->