I also did the same, upload RCMP report upfront.
I think this might be the cause of NN - NS for us, if more people can confirm they did the same, that might lead us to a conclusion.
I am also a CEC applicant here.
Got Med passed yesterday (Feb 20th).
But for BG check, instead of went from NN -> IP, mine went from NN -> NS.
Is this normal for CEC stream?