port_STO: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 4.0.4.1  netmask 255.255.255.0  broadcast 4.0.4.255
        inet6 fe80::6035:feff:fee6:705d  prefixlen 64  scopeid 0x20<link>
        ether 62:35:fe:e6:70:5d  txqueuelen 1000  (Ethernet)
        RX packets 764  bytes 66433 (64.8 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 816  bytes 74460 (72.7 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0