snmpd (configured as a master agent) is requesting the wrong OID from a subagent

Hello, 
 
I have a question regarding the snmpd daemon.  snmpd is configured as a master agent supporting the AgentX protocol.  We have a subagent that successfully registers with the master agent.  The subagent is able to generate traps and receive/respond to GET and GETNEXT requests without issue. The problem we are having is with tables.  When we request table data, the SNMP manager is issuing a GETBULK request.  snmpd is translating the GETBULK into GETNEXT requests and forwarding them to our subagent.  However, the oid being passed from snmpd is not correct.  snmpd is substituting the oid of the next scalar, skipping over all elements defined within the table. 
 
Here is the output of snmpd running with debug logging enabled: 
 
Connection from UDP: [10.10.4.97]:2246 
Received SNMP packet(s) from UDP: [10.10.4.97]:2246 
  GETBULK message, non-rep=0, max_rep=10 
    -- SNMPv2-SMI::enterprises.5591.1.11.100.1.8.3 
  
Sending 92 bytes to Local IPC: /agentx/subagent22020 
0000: 01 06 00 00  06 00 00 00  01 00 00 00  02 00 00 00    ................ 
0016: 48 00 00 00  08 04 01 00  01 00 00 00  D7 15 00 00    H............... 
0032: 01 00 00 00  0B 00 00 00  64 00 00 00  01 00 00 00    ........d....... 
0048: 0D 00 00 00  01 00 00 00  08 04 00 00  01 00 00 00    ................ 
0064: D7 15 00 00  01 00 00 00  0B 00 00 00  64 00 00 00    ............d... 
0080: 01 00 00 00  0D 00 00 00  02 00 00 00                 ............ 
 
You can see that the daemon received a GETBULK request from another machine with the oid "SNMPv2-SMI::enterprises.5591.1.11.100.1.8.3". 
 
Next you see the daemon sending a message (a GETNEXT message) out on the Linux domain socket "/agentx/subagent22020".  Our subagent is on the other side of that socket listening.  If you look at line 0064: the D7 15 is the 5591 followed by a 1.11.100.1.13.2 not the 1.11.100.8.3 that I would expect. 
 
Can you please help me identify why the snmpd daemon is translating the request like this? 
 
Thanks. 
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