1. A method, comprising: configuring an energy efficiency control policy of a device; after said configuration, monitoring, by an energy efficiency controller in said device, traffic for one or more messaging protocols on a network link supported by said device; generating a report that enables a determination of an impact of said traffic by said one or more messaging protocols on an efficiency of operation of said configured energy efficiency control policy in producing energy savings for said device; and modifying a parameter of operation of one of said one or more messaging protocols in response to said generated report, wherein said modification results in lowering messaging traffic produced by said one of said one or more messaging protocols.