安装 Kubuntu 15.10 后，我无法通过 USB 连接我的手机（Android 5.0 Lollipop）。计算机无法检测到 usb0 连接，而 Linux Mint OS（在不同分区上运行）可以检测到。
victor@victor-laptop:~$ ls /sys/class/net
enp0s25 enxaa08117cff8c lo wlp32s0
我认为那enxaa08117cff8是 USB 连接，但每次断开连接后它都会不断改变其名称，并且系统不会像以太网那样自动连接到它。
victor@victor-laptop:~$ ifconfig
enp0s25 Link encap:Ethernet HWaddr 00:23:26:3c:ba:3f
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:20 Memory:f2700000-f2720000
enxaa08117cff8c Link encap:Ethernet HWaddr aa:08:11:7c:ff:8c
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:8030 errors:0 dropped:0 overruns:0 frame:0
TX packets:8030 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:602738 (602.7 KB) TX bytes:602738 (602.7 KB)
wlp32s0 Link encap:Ethernet HWaddr 00:21:6a:25:7a:60
inet addr:192.168.43.64 Bcast:192.168.43.255 Mask:255.255.255.0
inet6 addr: fe80::221:6aff:fe25:7a60/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:45315 errors:0 dropped:0 overruns:0 frame:0
TX packets:13234 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:61843757 (61.8 MB) TX bytes:1553306 (1.5 MB)