rtk0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 address: 00:40:95:10:12:08 media: Ethernet autoselect (100baseTX full-duplex) status: active inet 10.255.246.1 netmask 0xffffff00 broadcast 10.255.246.255 why it's SIMPLEX while it's full duplex?