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
# 11.74 [+11.74] TEST: IPv4 basic L2TP tunnel                                        [ OK ]
# 11.94 [+0.21] TEST: IPv4 route through L2TP tunnel                                [ OK ]
# 12.15 [+0.20] TEST: IPv6 basic L2TP tunnel                                        [ OK ]
# 12.35 [+0.20] TEST: IPv6 route through L2TP tunnel                                [ OK ]
# 16.55 [+4.20] TEST: IPv4 basic L2TP tunnel - with IPsec                           [ OK ]
# 16.76 [+0.21] TEST: IPv4 route through L2TP tunnel - with IPsec                   [ OK ]
# 17.01 [+0.26] TEST: IPv6 basic L2TP tunnel - with IPsec                           [ OK ]
# 17.23 [+0.21] TEST: IPv6 route through L2TP tunnel - with IPsec                   [ OK ]
# 17.45 [+0.22] TEST: IPv4 basic L2TP tunnel                                        [ OK ]
# 17.66 [+0.21] TEST: IPv4 route through L2TP tunnel                                [ OK ]
# 17.86 [+0.20] TEST: IPv6 basic L2TP tunnel - with IPsec                           [ OK ]
# 18.10 [+0.24] TEST: IPv6 route through L2TP tunnel - with IPsec                   [ OK ]
# 19.23 [+1.13] TEST: IPv4 basic L2TP tunnel - after IPsec teardown                 [ OK ]
# 19.44 [+0.21] TEST: IPv4 route through L2TP tunnel - after IPsec teardown         [ OK ]
# 19.63 [+0.20] TEST: IPv6 basic L2TP tunnel - after IPsec teardown                 [ OK ]
# 19.86 [+0.22] TEST: IPv6 route through L2TP tunnel - after IPsec teardown         [ OK ]
# 21.33 [+1.48] 
# 21.33 [+0.00] Tests passed:  16
# 21.34 [+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__->