--- a/configs/A20-OLinuXino_MICRO_defconfig
+++ b/configs/A20-OLinuXino_MICRO_defconfig
@@ -26,3 +26,4 @@ CONFIG_AXP_ALDO4_VOLT=2800
 CONFIG_SCSI=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_OHCI_HCD=y
+CONFIG_NET_RANDOM_ETHADDR=y
