eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.21.17  netmask 255.255.0.0  broadcast 192.168.255.255
        ether 52:54:00:4c:a2:9b  txqueuelen 1000  (Ethernet)
        RX packets 612677534  bytes 882733940065 (822.1 GiB)
        RX errors 0  dropped 213093  overruns 0  frame 0
        TX packets 97578384  bytes 13291306756 (12.3 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 122363  bytes 162834110 (155.2 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 122363  bytes 162834110 (155.2 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

