eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.21.122  netmask 255.255.0.0  broadcast 192.168.255.255
        ether 52:54:00:78:b1:f9  txqueuelen 1000  (Ethernet)
        RX packets 12022222  bytes 1135393824 (1.0 GiB)
        RX errors 0  dropped 260  overruns 0  frame 0
        TX packets 88147005  bytes 118777194297 (110.6 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 698  bytes 69363 (67.7 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 698  bytes 69363 (67.7 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

