我有USB 以太网适配器 HP RJ45并具有双启动操作系统设置 Win10/Ubuntu 18.04.1在我的 Microsoft Surface Book 上。在 Win10 下它可以工作，但在 Ubuntu 下不行。
/etc/网络/接口
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
ifconfig -a
enx9cebe885a0b9: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 9c:eb:e8:85:a0:b9 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 9053532 bytes 1466227710 (1.4 GB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 9053532 bytes 1466227710 (1.4 GB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.34 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::c0e3:30bb:e75f:2333 prefixlen 64 scopeid 0x20<link>
ether 98:5f:d3:52:18:82 txqueuelen 1000 (Ethernet)
RX packets 2349371 bytes 2260752246 (2.2 GB)
RX errors 0 dropped 432672 overruns 0 frame 0
TX packets 1318692 bytes 229615901 (229.6 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
sudo lshw -C network
*-network
description: Wireless interface
product: 88W8897 [AVASTAR] 802.11ac Wireless
vendor: Marvell Technology Group Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 00
serial: 98:5f:d3:52:18:82
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=mwifiex_pcie ip=192.168.1.34 latency=0 multicast=yes wireless=IEEE 802.11
resources: irq:132 memory:b9500000-b95fffff memory:b9400000-b94fffff
*-network
description: Ethernet interface
physical id: 1
logical name: enx9cebe885a0b9
serial: 9c:eb:e8:85:a0:b9
size: 10Mbit/s
capacity: 1Gbit/s
capabilities: ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8152 driverversion=v1.09.9 duplex=half link=no multicast=yes port=MII speed=10Mbit/s
在“设置”>“网络”中，它显示电缆已拔出，但事实并非如此：
