1. A computer-implemented method, comprising: receiving, from a networking device at a network management computer, a Simple Network Management Protocol (SNMP) notification comprising a columnar varbind that includes one or more varbind indices and corresponding one or more index values and in response thereto automatically performing: using event processing logic at the network management computer, decoding the one or more varbind indices into corresponding one or more index textual names based on compiled Management Information Base (MIB) data that comprises information from one or more MIB definition files that define the one or more varbind indices and the corresponding one or more index textual names; using the event processing logic, retrieving one or more event descriptions from network management system event configuration data; using the event processing logic, comparing the one or more MIB defined index textual names from the compiled MIB data to one or more substitution variables in the one or more event descriptions to identify, from the one or more MIB defined index textual names, a MIB defined index textual name that corresponds to a substitution variable from the one or more substitution variables in the one or more event descriptions; using the event processing logic, based on comparing the one or more MIB defined index textual names from the compiled MIB data to the one or more substitution variables in the one or more event descriptions, replacing the substitution variable with a particular value based on a varbind index value of the one or more varbind index values from the received SNMP notification, wherein the varbind index value corresponds to a varbind index which corresponds to the identified MIB defined index textual name from the compiled MIB data; using the event processing logic, constructing a message based on the one or more event descriptions and the particular value that replaced the substitution variable in the one or more event descriptions.