eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
         inet6 2001:db8::201:203:409  prefixlen 64  scopeid 0x0<global>
         inet6 2001:db8::5555  prefixlen 64  scopeid 0x0<global>
         inet6 fe80::1:2ff:fe03:409  prefixlen 64  scopeid 0x20<link>
         ether 02:01:02:03:04:09  txqueuelen 1000  (Ethernet)