It's not perfect. There was (not sure if they fixed in subsequent hardware revisions) an issue with the ethernet not working about 50% of the time, and this required cutting the physical power to the device to fix. https://community.element14.com/products/devtools/single-boa...
I found this out the hard way after building an IOT vehicle logger using these boards, had to work in a hardware self-reset to rework the board.