Comment 8 for bug 1690836

Artful

# valgrind --leak-check=full ./main
==1839== Memcheck, a memory error detector
==1839== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==1839== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
==1839== Command: ./main
==1839==
start test
error: can't retrieve the netlink-family id
end test
==1839==
==1839== HEAP SUMMARY:
==1839== in use at exit: 0 bytes in 0 blocks
==1839== total heap usage: 17 allocs, 17 frees, 96,875 bytes allocated
==1839==
==1839== All heap blocks were freed -- no leaks are possible
==1839==
==1839== For counts of detected and suppressed errors, rerun with: -v
==1839== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)