Steps to reproduce:

1. Configure two SNMP interfaces for a Host.
2. Switch the "Default" radio button from the first to the second interface and back.

Result:

Run tcpdump and see that this radio button does nothing. The SNMP requests go to the IP address of the first interface no matter the position of the radio button.

Expected:

Isn't the "Default" radio button expected to select the destination IP address for SNMP requests. What else would it be there for?

This is the radio button I'm talking about: