make -C tools/testing/selftests TARGETS="net/forwarding" TEST_PROGS=min_maax_mtu.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: min_max_mtu.sh # 9.87 [+9.87] TEST: ping [ OK ] # 11.17 [+1.30] TEST: ping6 [ OK ] # 12.61 [+1.44] TEST: Test maximum MTU configuration [ OK ] # 18.24 [+5.63] TEST: Test traffic, packet size is maximum MTU [ OK ] # 19.63 [+1.39] TEST: Test minimum MTU configuration [ OK ] # 22.32 [+2.69] TEST: Test traffic, packet size is minimum MTU [ OK ] ok 1 selftests: net/forwarding: min_max_mtu.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__->