make -C tools/testing/selftests TARGETS="net" TEST_PROGS=nat6to4.sh TEST_GGEN_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: nat6to4.sh
# 0.30 [+0.30] !!!malformed message: len=0
# 0.40 [+0.09] !!!malformed message: len=0
# 1.35 [+0.95] 2025/11/06 17:08:19 socat[1903] E sendto(7, 0x55cb1eacd000, 124, 0, AF=2 224.1.0.1:6666, 16): Network is unreachable
not ok 1 selftests: net: nat6to4.sh # exit=1
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__-> echo scan > /sys/kernel/debug/kmemleak
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
xx__->