My warning is gone by adding a contiguous() to the module input:
        features = self.model(input.contiguous())


Another Interesting finding is doing so improves FPS as well.
Without contiguous():
datatime 0.0026903152465820312 itrtime 1.7159864902496338 all 1.718679428100586
With  contiguous():
datatime 0.0015590190887451172 itrtime 0.4502217769622803 all 0.4517836570739746