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 # 11.50 [+11.50] TEST: ping [ OK ] # 12.86 [+1.37] TEST: ping6 [ OK ] # 15.07 [+2.20] TEST: Test maximum MTU configuration [ OK ] # 23.05 [+7.99] TEST: Test traffic, packet size is maximum MTU [ OK ] # 25.22 [+2.17] TEST: Test minimum MTU configuration [ OK ] # 28.88 [+3.65] 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__->