I had the same problem, when installed RC tools to a PC that had Genymotion previously installed, so what I did was disable the VirtualBox Host-Only Ethernet Adapters (that Genymotion used), and restarted the emulator, then the network on emulator was working
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…