Issues
------

- RX or TX error:
	Caused by:
		net_send error, see:
		https://jira.zephyrproject.org/browse/ZEP-428
		https://jira.zephyrproject.org/browse/ZEP-676

	Workaround:
		Wait until the IP stack is "activated"
		or reset the board.

Limitations
-----------

See the ./README_API file.