make -C tools/testing/selftests TARGETS="net" TEST_PROGS=l2tp.sh TEST_GEN__PROGS="" run_tests

DETECTED CRASH, lowering timeout
make: Entering directory '/home/virtme/testing-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
TAP version 13
1..1
# overriding timeout to 7200
# selftests: net: l2tp.sh
# 11.19 [+11.19] TEST: IPv4 basic L2TP tunnel                                        [ OK ]
# 11.38 [+0.19] TEST: IPv4 route through L2TP tunnel                                [ OK ]
# 11.58 [+0.20] TEST: IPv6 basic L2TP tunnel                                        [ OK ]
# 11.79 [+0.22] TEST: IPv6 route through L2TP tunnel                                [ OK ]
# 15.72 [+3.93] TEST: IPv4 basic L2TP tunnel - with IPsec                           [ OK ]
# 15.91 [+0.19] TEST: IPv4 route through L2TP tunnel - with IPsec                   [ OK ]
# 16.11 [+0.20] TEST: IPv6 basic L2TP tunnel - with IPsec                           [ OK ]
# 16.33 [+0.21] TEST: IPv6 route through L2TP tunnel - with IPsec                   [ OK ]
# 16.52 [+0.19] TEST: IPv4 basic L2TP tunnel                                        [ OK ]
# 16.71 [+0.19] TEST: IPv4 route through L2TP tunnel                                [ OK ]
# 16.92 [+0.20] TEST: IPv6 basic L2TP tunnel - with IPsec                           [ OK ]
# 17.13 [+0.21] TEST: IPv6 route through L2TP tunnel - with IPsec                   [ OK ]
# 18.20 [+1.08] TEST: IPv4 basic L2TP tunnel - after IPsec teardown                 [ OK ]
# 18.40 [+0.20] TEST: IPv4 route through L2TP tunnel - after IPsec teardown         [ OK ]
# 18.59 [+0.19] TEST: IPv6 basic L2TP tunnel - after IPsec teardown                 [ OK ]
# 18.78 [+0.19] TEST: IPv6 route through L2TP tunnel - after IPsec teardown         [ OK ]
# 20.25 [+1.46] 
# 20.25 [+0.00] Tests passed:  16
# 20.25 [+0.00] Tests failed:   0
ok 1 selftests: net: l2tp.sh
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing-3/tools/testing/selftests'
xx__-> echo $?
0
xx__->