1. A method of monitoring responses of configuration commands, the method comprising the computer-implemented steps, performed by a network device, of: configuring the network device to publish one or more event messages that describe errors that result from configuring the network device through execution of one or more command line interface commands; receiving a configuration file that comprises one or more command line interface commands for configuring the network device; and publishing, to a subscriber, a particular event message that describes a particular error that occurred while executing a particular command line interface command of the one or more command line interface commands.