ISER_CONN_DOWN
iser_conn->state == ISER_CONN_DOWN)
iser_conn->state = ISER_CONN_DOWN;
iser_conn->state = ISER_CONN_DOWN;
if (iser_conn->state != ISER_CONN_DOWN) {
iser_conn->state = ISER_CONN_DOWN;
if (iser_conn->state != ISER_CONN_DOWN) {
iser_conn->state = ISER_CONN_DOWN;
isert_conn->state = ISER_CONN_DOWN;
isert_conn->state == ISER_CONN_DOWN);