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
# 17.49 [+17.49] TEST: GRE hierarchical IPv4-in-IPv6                                 [ OK ]
# 19.57 [+2.08] TEST: GRE hierarchical IPv6-in-IPv6                                 [ OK ]
# 22.41 [+2.84] TEST: ping GRE IPv6, packet size 1800 after MTU change              [ OK ]
# 24.86 [+2.45] TEST: GRE hierarchical IPv4-in-IPv6 (new remote)                    [ OK ]
# 27.00 [+2.13] TEST: GRE hierarchical IPv6-in-IPv6 (new remote)                    [ OK ]
# 30.04 [+3.04] TEST: GRE hierarchical IPv4-in-IPv6 (old remote)                    [ OK ]
# 32.21 [+2.17] 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__->