1. Start MP mission with revive configured (defaults are fine)
2. Using unit with a backpack by default (medic and engineer seem to be most vulnerable to the issue).
3. Change Backpack and or Backpack contents
4. Get hit and go down into incapacitated state
5.Get 2nd player to revive first player
6. 1st player will notice his backpack has returned to default
7. Check under where 1st player was revived to find backpack with contents of 1st player when he was hit.