make -C tools/testing/selftests TARGETS="net" TEST_PROGS=nat6to4.sh TEST_GGEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing/wt-1/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing/wt-1/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing/wt-1/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing/wt-1/tools/testing/selftests/net/lib'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing/wt-1/tools/testing/selftests/net/lib'
make[1]: Entering directory '/home/virtme/testing/wt-1/tools/testing/selftests/net'
TAP version 13
1..1
# timeout set to 3600
# selftests: net: nat6to4.sh
# 0.02 [+0.02] !!!malformed message: len=0
# 0.03 [+0.01] !!!malformed message: len=0
# 0.11 [+0.09] 2025/11/06 16:45:17 socat[26501] E sendto(7, 0x55c60bc9d000, 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-1/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing/wt-1/tools/testing/selftests'
xx__-> echo $?
0
xx__->