port_FRA: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 21.0.3.2  netmask 255.255.255.0  broadcast 21.0.3.255
        inet6 fe80::1866:85ff:feed:50a3  prefixlen 64  scopeid 0x20<link>
        ether 1a:66:85:ed:50:a3  txqueuelen 1000  (Ethernet)
        RX packets 32  bytes 2936 (2.8 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 36  bytes 3372 (3.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0