make -C tools/testing/selftests TARGETS="net" TEST_PROGS=msg_zerocopy.sh TTEST_GEN_PROGS="" run_tests

DETECTED CRASH, lowering timeout
make: Entering directory '/home/virtme/testing/wt-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing/wt-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing/wt-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing/wt-3/tools/testing/selftests/net/lib'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing/wt-3/tools/testing/selftests/net/lib'
make[1]: Entering directory '/home/virtme/testing/wt-3/tools/testing/selftests/net'
TAP version 13
1..1
# overriding timeout to 7200
# selftests: net: msg_zerocopy.sh
# 1.88 [+1.88] 
# 1.88 [+0.00] ipv4 tcp -t 1 tx-rx
# 1.88 [+0.00] 
# 3.43 [+1.55] tx=9981 (622 MB) txc=0 zc=n
# 3.83 [+0.40] rx=4990 (622 MB)
# 3.84 [+0.01] 
# 3.84 [+0.00] ipv4 tcp -z -t 1 tx-rx
# 3.84 [+0.00] 
# 5.43 [+1.59] tx=6752 (421 MB) txc=6752 zc=n
# 5.79 [+0.36] rx=3377 (421 MB)
# 5.80 [+0.01] OK
# 7.55 [+1.75] 
# 7.55 [+0.00] ipv6 tcp -t 1 tx-rx
# 7.55 [+0.00] 
# 9.08 [+1.53] tx=9735 (607 MB) txc=0 zc=n
# 9.48 [+0.40] rx=4862 (607 MB)
# 9.48 [+0.00] 
# 9.48 [+0.00] ipv6 tcp -z -t 1 tx-rx
# 9.48 [+0.00] 
# 11.08 [+1.60] tx=6453 (402 MB) txc=6453 zc=n
# 11.44 [+0.36] rx=3227 (402 MB)
# 11.44 [+0.00] OK
# 13.01 [+1.57] 
# 13.01 [+0.00] ipv4 udp -t 1 tx-rx
# 13.01 [+0.00] 
# 14.54 [+1.53] tx=12714 (793 MB) txc=0 zc=n
# 15.04 [+0.50] rx=12714 (793 MB)
# 15.05 [+0.01] 
# 15.05 [+0.00] ipv4 udp -t 1 tx-only
# 15.05 [+0.00] 
# 16.35 [+1.30] tx=14356 (895 MB) txc=0 zc=n
# 16.36 [+0.00] 
# 16.36 [+0.00] ipv4 udp -z -t 1 tx-rx
# 16.36 [+0.00] 
# 17.88 [+1.53] tx=6817 (425 MB) txc=6817 zc=n
# 18.38 [+0.50] rx=6817 (425 MB)
# 18.39 [+0.00] 
# 18.39 [+0.00] ipv4 udp -z -t 1 tx-only
# 18.39 [+0.00] 
# 19.68 [+1.30] tx=7854 (490 MB) txc=7854 zc=y
# 19.70 [+0.01] OK
# 21.33 [+1.64] 
# 21.33 [+0.00] ipv6 udp -t 1 tx-rx
# 21.33 [+0.00] 
# 22.86 [+1.52] tx=11790 (735 MB) txc=0 zc=n
# 23.36 [+0.50] rx=11790 (735 MB)
# 23.36 [+0.00] 
# 23.36 [+0.00] ipv6 udp -t 1 tx-only
# 23.37 [+0.00] 
# 24.69 [+1.33] tx=13564 (846 MB) txc=0 zc=n
# 24.70 [+0.00] 
# 24.70 [+0.00] ipv6 udp -z -t 1 tx-rx
# 24.70 [+0.00] 
# 26.21 [+1.51] tx=6632 (413 MB) txc=6632 zc=n
# 26.71 [+0.50] rx=6632 (413 MB)
# 26.74 [+0.02] 
# 26.74 [+0.00] ipv6 udp -z -t 1 tx-only
# 26.74 [+0.00] 
# 28.04 [+1.30] tx=7714 (481 MB) txc=7714 zc=y
# 28.05 [+0.01] OK
# 28.20 [+0.15] OK. All tests passed
ok 1 selftests: net: msg_zerocopy.sh
make[1]: Leaving directory '/home/virtme/testing/wt-3/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing/wt-3/tools/testing/selftests'
xx__-> echo $?
0
xx__->