ext_23_STO: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 179.21.23.21  netmask 255.255.255.0  broadcast 179.21.23.255
        inet6 fe80::94b8:74ff:fe2a:3200  prefixlen 64  scopeid 0x20<link>
        ether 96:b8:74:2a:32:00  txqueuelen 1000  (Ethernet)
        RX packets 9  bytes 886 (886.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 14  bytes 1068 (1.0 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0