port_ZRH: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 4.0.6.1  netmask 255.255.255.0  broadcast 4.0.6.255
        inet6 fe80::2002:e5ff:fe15:9dea  prefixlen 64  scopeid 0x20<link>
        ether 22:02:e5:15:9d:ea  txqueuelen 1000  (Ethernet)
        RX packets 719  bytes 61169 (59.7 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 502  bytes 42696 (41.6 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0