getHardwareAddress will be called frequently. And in Android platform, it will call [getNetworkInterfacesList](http://androidxref.com/5.1.1_r6/xref/libcore/luni/src/main/java/java/net/NetworkInterface.java#getNetworkInterfacesList), and small array objects are created.
getHardwareAddress will be called frequently. And in Android platform, it will call getNetworkInterfacesList, and small array objects are created.