F_IFACE_CONFIGURED
if (iface->cflags & F_IFACE_CONFIGURED) {
if (iface->cflags & F_IFACE_CONFIGURED) {
if (!(ifp->cflags & F_IFACE_CONFIGURED))
iface->cflags |= F_IFACE_CONFIGURED;
if (!(ifp->cflags & F_IFACE_CONFIGURED))