make -C tools/testing/selftests TARGETS="net" TEST_PROGS=so_txtime.sh TESTT_GEN_PROGS="" run_tests
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: so_txtime.sh
# 2.19 [+2.19] 
# 2.20 [+0.00] SO_TXTIME ipv4 clock monotonic
# 2.20 [+0.00] payload:a delay:3826 expected:0 (us)
# 2.55 [+0.35] 
# 2.55 [+0.00] SO_TXTIME ipv6 clock monotonic
# 2.55 [+0.00] payload:a delay:5466 expected:0 (us)
# 2.55 [+0.00] exceeds variance (4000 us)
# 2.91 [+0.35] 
# 2.91 [+0.00] SO_TXTIME ipv6 clock monotonic
# 2.92 [+0.01] payload:a delay:11225 expected:10000 (us)
# 3.27 [+0.35] 
# 3.27 [+0.00] SO_TXTIME ipv4 clock monotonic
# 3.28 [+0.01] payload:a delay:17591 expected:10000 (us)
# 3.28 [+0.00] exceeds variance (4000 us)
# 3.29 [+0.01] payload:b delay:27296 expected:20000 (us)
# 3.29 [+0.00] exceeds variance (4000 us)
# 3.64 [+0.35] 
# 3.65 [+0.00] SO_TXTIME ipv6 clock monotonic
# 3.67 [+0.02] payload:b delay:3397 expected:20000 (us)
# 3.67 [+0.00] exceeds variance (4000 us)
# 3.67 [+0.00] payload:a delay:4095 expected:20000 (us)
# 3.67 [+0.00] exceeds variance (4000 us)
# 4.42 [+0.75] 
# 4.42 [+0.00] SO_TXTIME ipv4 clock tai
# 4.42 [+0.00] send: pkt a at -1762523151228ms dropped: invalid txtime
# 4.58 [+0.16] ./so_txtime: recv: timeout: Resource temporarily unavailable
# 4.85 [+0.27] 
# 4.85 [+0.00] SO_TXTIME ipv6 clock tai
# 4.85 [+0.00] send: pkt a at 0ms dropped: invalid txtime
# 4.93 [+0.09] ./so_txtime: recv: timeout: Resource temporarily unavailable
# 5.19 [+0.25] 
# 5.19 [+0.00] SO_TXTIME ipv6 clock tai
# 5.33 [+0.14] ./so_txtime: recv: timeout: Resource temporarily unavailable
# 5.61 [+0.28] 
# 5.61 [+0.00] SO_TXTIME ipv4 clock tai
# 5.62 [+0.01] payload:a delay:11011 expected:10000 (us)
# 5.63 [+0.01] payload:b delay:20727 expected:20000 (us)
# 6.03 [+0.40] 
# 6.04 [+0.00] SO_TXTIME ipv6 clock tai
# 6.04 [+0.01] payload:b delay:10793 expected:10000 (us)
# 6.05 [+0.01] payload:a delay:20683 expected:20000 (us)
# 6.16 [+0.11] Ignoring errors due to slow environment

DETECTED CRASH, lowering timeout
ok 1 selftests: net: so_txtime.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__->