port_STO: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 30.0.4.1  netmask 255.255.255.0  broadcast 30.0.4.255
        inet6 fe80::388e:50ff:fe4a:2e9b  prefixlen 64  scopeid 0x20<link>
        ether 3a:8e:50:4a:2e:9b  txqueuelen 1000  (Ethernet)
        RX packets 936  bytes 83041 (81.0 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 740  bytes 65120 (63.5 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0