Variables starting with `r' in iokit/Families/IONetworking

• received iokit/Families/IONetworking/IOEthernetInterface.cpp:325
• registered iokit/Families/IONetworking/IONetworkController.cpp:1178
• removed iokit/Families/IONetworking/IONetworkStack.cpp:129
• replaced iokit/Families/IONetworking/IONetworkController.cpp:1539
• resources iokit/Families/IONetworking/IONetworkController.cpp:523
• ret iokit/Families/IONetworking/IOEthernetInterface.cpp:321
• returned iokit/Families/IONetworking/IONetworkController.cpp:1540