trace: _callback_unlock(): callback.c, 164: 9:callback:lock: unlocked (LIB,SESSION_INIT) trace: _sess_async_send(): snmp_api.c, 5067: sess_async_send: encoding failure Just before Main Loop trace: snmp_sess_select_info2(): snmp_api.c, 6188: sess_select: for all sessions: 4 sess_select: blocking:no session requests or alarms.