make -C tools/testing/selftests TARGETS="net/forwarding" TEST_PROGS=ip6gree_hier.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: ip6gre_hier.sh
# 20.36 [+20.36] TEST: GRE hierarchical IPv4-in-IPv6                                 [ OK ]
# 22.90 [+2.54] TEST: GRE hierarchical IPv6-in-IPv6                                 [ OK ]
# 26.07 [+3.17] TEST: ping GRE IPv6, packet size 1800 after MTU change              [ OK ]
# 29.03 [+2.97] TEST: GRE hierarchical IPv4-in-IPv6 (new remote)                    [ OK ]
# 31.45 [+2.42] TEST: GRE hierarchical IPv6-in-IPv6 (new remote)                    [ OK ]
# 34.79 [+3.34] TEST: GRE hierarchical IPv4-in-IPv6 (old remote)                    [ OK ]
# 37.24 [+2.45] TEST: GRE hierarchical IPv6-in-IPv6 (old remote)                    [ OK ]
ok 1 selftests: net/forwarding: ip6gre_hier.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__->