我在OTT Box上运行Android 5.1.1。 WiFi工作正常但是当我关闭WiFi并插入以太网电缆时，我没有连接互联网。我跑了一只原木猫，发现了一些问题。看起来好像以太网试图启动但不能。如果有人能帮助我解决这个问题或指出我正确的方向，那将会有很大的帮助。
1. Calling a method in the system process without a qualified user: android.app.ContextImpl.sendBroadcast:1327 android.content.ContextWrapper.sendBroadcast:377 com.droidlogic.PPPoE.MyPppoeService.updatInterfaceState:79 com.droidlogic.PPPoE.MyPppoeService.access$200:25 com.droidlogic.PPPoE.MyPppoeService$InterfaceObserver.interfaceLinkStateChanged:86
2. updateInterface: eth0 link up
3. setInterfaceCanUp eth0
4. Setting iface cfg
5. Trying to bring up eth0
6. startNetwork()
7. dhcpThread(+eth0): mNetworkInfo=[type: Ethernet[], state: DISCONNECTED/DISCONNECTED, reason: (unspecified), extra: c4 2F:ac:49:96:12, roaming: false, failover: false, isAvailable: true, isConnectedToProvisioningNetwork: false]
8. version 5.5.6 starting
9. eth0: broadcasting for a lease
10. timed out
11. dhcp_do_request failed: eth0 (new)
12. DHCP request error:Timed out waiting for DHCP to finish
13. stopNetwork()
14. No NetworkAgent, try to stop DHCP