make -C tools/testing/selftests TARGETS="net/forwarding" TEST_PROGS=ip6gree_flat.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-2/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-2/tools/testing/selftests/net/forwarding'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-2/tools/testing/selftests/net/forwarding'
make[1]: Entering directory '/home/virtme/testing-2/tools/testing/selftests/net/forwarding'
TAP version 13
1..1
# timeout set to 10800
# selftests: net/forwarding: ip6gre_flat.sh
# 6.22 [+6.22] TEST: GRE flat IPv4-in-IPv6                                         [ OK ]
# 6.45 [+0.23] TEST: GRE flat IPv6-in-IPv6                                         [ OK ]
# 7.65 [+1.19] TEST: ping GRE IPv6, packet size 1800 after MTU change              [ OK ]
# 7.92 [+0.27] TEST: GRE flat IPv4-in-IPv6 (new remote)                            [ OK ]
# 8.15 [+0.23] TEST: GRE flat IPv6-in-IPv6 (new remote)                            [ OK ]
# 8.49 [+0.33] TEST: GRE flat IPv4-in-IPv6 (old remote)                            [ OK ]
# 8.72 [+0.24] TEST: GRE flat IPv6-in-IPv6 (old remote)                            [ OK ]
ok 1 selftests: net/forwarding: ip6gre_flat.sh
make[1]: Leaving directory '/home/virtme/testing-2/tools/testing/selftests/net/forwarding'
make: Leaving directory '/home/virtme/testing-2/tools/testing/selftests'
xx__-> echo $?
0
xx__->