eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.21.55  netmask 255.255.0.0  broadcast 192.168.255.255
        ether 52:54:00:b6:52:37  txqueuelen 1000  (Ethernet)
        RX packets 611847183  bytes 881235317397 (820.7 GiB)
        RX errors 0  dropped 718471  overruns 0  frame 0
        TX packets 95966202  bytes 13175706400 (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 121892  bytes 162812324 (155.2 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 121892  bytes 162812324 (155.2 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

