Snmp snmp = new Snmp(md, localTransport);
SecurityProtocols.getInstance().addDefaultProtocols();
OctetString localEngineID = new OctetString(
MPv3.createLocalEngineID(new OctetString("LogControl"+
System.currentTimeMillis())));
md.addMessageProcessingModel(new MPv1());
md.addMessageProcessingModel(new MPv2c());
USM usm = new USM(SecurityProtocols.getInstance(),
localEngineID,
0);
md.addMessageProcessingModel(new MPv3(usm));