NBR_EVT_RESPONSE_SENT
{NBR_STA_REQ_RCVD, NBR_EVT_RESPONSE_SENT, NBR_ACT_DEL, NBR_STA_DOWN},
{NBR_STA_ACTIVE, NBR_EVT_RESPONSE_SENT, NBR_ACT_NOTHING, NBR_STA_ACTIVE},
nbr_fsm(nbr, NBR_EVT_RESPONSE_SENT);