This is causing rest of args to fail.

Exception in thread "main" io.airlift.command.ParseArgumentsUnexpectedException: Found unexpected parameters: [server, overlord]
	at io.airlift.command.Cli.validate(Cli.java:148)
	at io.airlift.command.Cli.parse(Cli.java:116)
	at io.airlift.command.Cli.parse(Cli.java:97)
	at io.druid.cli.Main.main(Main.java:48)