make -C tools/testing/selftests TARGETS="net/packetdrill" TEST_PROGS=tcp_zzerocopy_closed.pkt TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-8/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-8/tools/testing/selftests/net/packetdrill'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-8/tools/testing/selftests/net/packetdrill'
make[1]: Entering directory '/home/virtme/testing-8/tools/testing/selftests/net/packetdrill'
TAP version 13
1..1
# overriding timeout to 90
# selftests: net/packetdrill: tcp_zerocopy_closed.pkt
# TAP version 13
# 1..2
# tcp_zerocopy_closed.pkt:24: error handling packet: timing error: expected outbound packet at 0.115189 sec but happened at 0.108569 sec; tolerance 0.004000 sec
# script packet:  0.115189 S 0:0(0) <mss 1460,sackOK,TS val 0 ecr 0,nop,wscale 8>
# actual packet:  0.108569 S 0:0(0) win 65535 <mss 1460,sackOK,TS val 0 ecr 0,nop,wscale 8>
# not ok 1 ipv4
# ok 2 ipv6
# # Totals: pass:1 fail:1 xfail:0 xpass:0 skip:0 error:0
not ok 1 selftests: net/packetdrill: tcp_zerocopy_closed.pkt # exit=1
make[1]: Leaving directory '/home/virtme/testing-8/tools/testing/selftests/net/packetdrill'
make: Leaving directory '/home/virtme/testing-8/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
xx__->