eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.21.148  netmask 255.255.0.0  broadcast 192.168.255.255
        ether 52:54:00:90:f3:7b  txqueuelen 1000  (Ethernet)
        RX packets 11980812  bytes 1131158944 (1.0 GiB)
        RX errors 0  dropped 278  overruns 0  frame 0
        TX packets 87415241  bytes 117672264651 (109.5 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
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 637  bytes 63207 (61.7 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 637  bytes 63207 (61.7 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

