/* Regrab elements in case pool moved */
elt = pool_elt_at_index (wrk->event_elts, ei);
if (!clib_llist_elt_is_linked (elt, evt_list))
/* Regrab elements in case pool moved */
elt = pool_elt_at_index (wrk->event_elts, ei);
if (!clib_llist_elt_is_linked (elt, evt_list))