Non, enp3s0 est l'interface filaire avec laquelle je me connecte à ma LiveBox:
$ ifconfig
enp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.10 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::abcd:abc:1753:abcd prefixlen 64 scopeid 0x20<link>
inet6 2a01:abcd:abc:ec00:15b1:29ed:a089:abcd prefixlen 64 scopeid 0x0<global>
ether c8:60:00:12.34.56 txqueuelen 1000 (Ethernet)
RX packets 560899 bytes 595731123 (568.1 MiB)
RX errors 0 dropped 3140 overruns 0 frame 0
TX packets 399091 bytes 61399511 (58.5 MiB)
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 (Boucle locale)
RX packets 37 bytes 5084 (4.9 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 37 bytes 5084 (4.9 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
tun0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST> mtu 1500
inet 10.2.12.34 netmask 255.255.255.0 destination 10.2.12.34
inet6 fe80::abcd:8791:eff7:bb9c prefixlen 64 scopeid 0x20<link>
unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 txqueuelen 100 (UNSPEC)
RX packets 15 bytes 3593 (3.5 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 21 bytes 3587 (3.5 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0