These are for earn only (no spending). AF page says one can only earn on VS-marketed, AF-operated flights. KL page
https://www.virginatlantic.com/us/en/flying-club/partners/airlines/klm.html is contradictory - at the top it says all KL flights can earn, but in the T&Cs it says only on VS-marketed codeshares.
I hope that in the not too distant future we will be able to earn on AF and KL marketed/operated flights without ambiguity!