Hello, Could someone look at my patch, which fixes ef(4) (locking + properly free allocated memory): http://freebsd.czest.pl/dunstan/FreeBSD/diff.locking.if_ef.c (PR: kern/85086). Please remember that your src/sys/net/if.c version has to be at least 1.244. -- * Wojciech A. Koszek && dunstan at FreeBSD.czest.pl