MIMIC SNMP Simulator: Add SNMPv3 user with SNMPv3 Wizard

0:00 snmpget to user4 works
0:27 snmpget to new user md5des fails
1:02 Add new user md5des with SNMPv3 Wizard
2:22 Restart agent to load the new USM and VACM config
2:44 snmpget to new user md5des works after restarting agent