eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.21.171  netmask 255.255.0.0  broadcast 192.168.255.255
        inet6 fe80::5054:ff:fe42:d4ca  prefixlen 64  scopeid 0x20<link>
        ether 52:54:00:42:d4:ca  txqueuelen 1000  (Ethernet)
        RX packets 57644840  bytes 18033879381 (16.7 GiB)
        RX errors 0  dropped 163  overruns 0  frame 0
        TX packets 135359799  bytes 152645451097 (142.1 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
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 2392884  bytes 409170769 (390.2 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 2392884  bytes 409170769 (390.2 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

