We're of the same issue encountered.
My Internet works well after fresh OS installation. I just updated and upgraded my 16.04 LTS on RPi2. and no longer working after reboot.
Here's my topic created:
We're of the same issue encountered.
My Internet works well after fresh OS installation. I just updated and upgraded my 16.04 LTS on RPi2. and no longer working after reboot.
Here's my topic created: