eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.21.50  netmask 255.255.0.0  broadcast 192.168.255.255
        ether 52:54:00:8f:62:25  txqueuelen 1000  (Ethernet)
        RX packets 610565992  bytes 879761028152 (819.3 GiB)
        RX errors 0  dropped 700227  overruns 0  frame 0
        TX packets 96587847  bytes 13205143053 (12.2 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 121614  bytes 162804472 (155.2 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 121614  bytes 162804472 (155.2 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

