make -C tools/testing/selftests TARGETS=net/forwarding TEST_PROGS=ip6gre_hhier.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
# timeout set to 10800
# selftests: net/forwarding: ip6gre_hier.sh
[   21.246521][  T234] ip (234) used greatest stack depth: 24400 bytes left
[   33.292656][  T336] 8021q: 802.1Q VLAN Support v1.8
[   34.052153][  T342] gre: GRE over IPv4 demultiplexor driver
[   34.104511][  T342] ip6_gre: GRE over IPv6 tunneling driver
[   47.769502][  T424] GACT probability NOT on
# TEST: GRE hierarchical IPv4-in-IPv6                                 [ OK ]
# TEST: GRE hierarchical IPv6-in-IPv6                                 [ OK ]
# TEST: ping GRE IPv6, packet size 1800 after MTU change              [ 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__->