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
# 29.03 [+29.03] TEST: GRE hierarchical IPv4-in-IPv6                                 [ OK ]
# 32.51 [+3.48] TEST: GRE hierarchical IPv6-in-IPv6                                 [ OK ]
# 37.09 [+4.58] TEST: ping GRE IPv6, packet size 1800 after MTU change              [ OK ]
# 41.33 [+4.24] TEST: GRE hierarchical IPv4-in-IPv6 (new remote)                    [ OK ]
# 44.67 [+3.34] TEST: GRE hierarchical IPv6-in-IPv6 (new remote)                    [ OK ]
# 49.50 [+4.84] TEST: GRE hierarchical IPv4-in-IPv6 (old remote)                    [ OK ]
# 52.80 [+3.30] 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__->