port_ZRH: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::fce4:cff:fe8b:5e8d  prefixlen 64  scopeid 0x20<link>
        ether fe:e4:0c:8b:5e:8d  txqueuelen 1000  (Ethernet)
        RX packets 8  bytes 816 (816.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 8  bytes 816 (816.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0