port_ZRH: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::8d4:94ff:fee4:936e  prefixlen 64  scopeid 0x20<link>
        ether 0a:d4:94:e4:93:6e  txqueuelen 1000  (Ethernet)
        RX packets 7  bytes 746 (746.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 7  bytes 746 (746.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0