tei_l2
extern int tei_l2(struct layer2 *, u_int, u_long arg);
tei_l2(l2, MDL_ERROR_RSP, 0);
tei_l2(tm->l2, MDL_ASSIGN_REQ, tei);
tei_l2(tm->l2, MDL_REMOVE_REQ, 0);
tei_l2(tm->l2, MDL_ERROR_RSP, 0);
tei_l2(tm->l2, MDL_REMOVE_REQ, 0);
tei_l2(l2, MDL_REMOVE_REQ, 0);