eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.21.139  netmask 255.255.0.0  broadcast 192.168.255.255
        inet6 fe80::5054:ff:fe56:4a05  prefixlen 64  scopeid 0x20<link>
        ether 52:54:00:56:4a:05  txqueuelen 1000  (Ethernet)
        RX packets 57906750  bytes 18044152729 (16.8 GiB)
        RX errors 0  dropped 273  overruns 0  frame 0
        TX packets 136291653  bytes 154154421131 (143.5 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 2391562  bytes 409252402 (390.2 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 2391562  bytes 409252402 (390.2 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

