Nexus wifi turning itself on

It doesn't matter how many times I turn the wifi off on my nexus 6, it seems something keeps turning it back on. Im not sure how long it will take to turn back on, but I will look at my phone and notice that its back on again. It also doesn't matter what wireless AP I am by.

Is there a way to see what app, or whatever, is turning it on so that when I disable wifi, it's actually disabled until I change it otherwise?

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