an old Atheros L1c NIC Driver for people with the Ethernet controllers listed bellow and are supported by Mac OS X Snow Leopard and higher.
AR8131 (Device ID: 1969:1063)
AR8132 (Device ID: 1969:1062)
AR8151 (Device ID: 1969:1073 1969:1083)
AR8152 (Device ID: 1969:2060 1969:2062)
Works fine on my Acer Aspire E1-771G and 10.10.2