А ifconfig что показывает?
enp7s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.108 netmask 255.255.255.0 broadcast 192.168.0.255
inet6 fe80::4621:fdcf:e0a9:e9cf prefixlen 64 scopeid 0x20<link>
ether a8:5e:45:17:b7:f3 txqueuelen 1000 (Ethernet)
RX packets 7769949 bytes 11597174659 (11.5 GB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 4095236 bytes 315857312 (315.8 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 45 base 0x9000
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 2620 bytes 249084 (249.0 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2620 bytes 249084 (249.0 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0