eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.21.140  netmask 255.255.0.0  broadcast 192.168.255.255
        ether 52:54:00:9b:ad:0a  txqueuelen 1000  (Ethernet)
        RX packets 156138251  bytes 125819457773 (117.1 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 515611468  bytes 728447117132 (678.4 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 8126312  bytes 93763750577 (87.3 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 8126312  bytes 93763750577 (87.3 GiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

