I've been mulling this over since telemetry came out...
this is VEC lap (VER v LEC). I think Ferrari turned the power down on LEC's engine.
What makes me say it is how the RPM curve moves compared to austria. in the above graph the only case in which Ferrari matches RedBull is in the non DRS straight to T10, in the other straights Ferrari has lower RPMs. Here's a few zooms from that:
This above is where they match.
This is the straight immediately before.
This is the start straight.
Now here's Austria in quali:
This is the start straight
This is the straight to T2.
This is the straight to T3.
Every straight in austria is matching RPMs in 8th gear, but here in France they aren't except the one without DRS where Charles got a tow anyway.
Maybe I'm wrong but I think Ferrari dropped power to avoid failures if they can.