make -C tools/testing/selftests TARGETS="net/forwarding" TEST_PROGS=mirrorr_gre_neigh.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: mirror_gre_neigh.sh
# 23.94 [+23.94] TEST: ingress mirror to gretap: neighbor change                     [ OK ]
# 33.17 [+9.23] TEST: egress mirror to gretap: neighbor change                      [ OK ]
# 42.61 [+9.44] TEST: ingress mirror to ip6gretap: neighbor change                  [ OK ]
# 51.95 [+9.34] TEST: egress mirror to ip6gretap: neighbor change                   [ OK ]

DETECTED CRASH, lowering timeout
ok 1 selftests: net/forwarding: mirror_gre_neigh.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__->