valgrind --leak-check=full netstat
(x86_64)

before:
  definitely lost: 1,536 bytes in 64 blocks
  indirectly lost: 479 bytes in 64 blocks
 ERROR SUMMARY: 1 errors from 1 contexts

after:
  definitely lost: 0 bytes in 0 blocks
  indirectly lost: 0 bytes in 0 blocks
 ERROR SUMMARY: 0 errors from 0 contexts