The result of SIOCGIFFLAGS on lo is 49.
The result of SIOCGIFADDR is 7f.00.00.01.
The result of SIOCGIFHWADDR is type 772  00:00:00:00:00:00.
The result of SIOCGIFFLAGS on eth0 is 1043.
The result of SIOCGIFADDR is 0a.ffffffd0.60.39.
The result of SIOCGIFHWADDR is type 1  00:50:56:a0:31:9b.
