我使用的是 Debian 10 buster。的输出sudo ifconfig -a是
enp0s7: flags=xxxx<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.xx.xxx netmask 255.255.xxx.x broadcast 192.168.xx.xxx
inet6 xxxx:xxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx prefixlen xx scopeid 0x0<global>
inet6 xxxx::xxxx:xxxx:xxxx:xxxx prefixlen xx scopeid 0x20<link>
inet6 xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx prefixlen xx scopeid 0x0<global>
ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet)
RX packets 68866 bytes 72160614 (68.8 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 33033 bytes 5158947 (4.9 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet …