Auto created cameras?

I have

  • 4 cameras,
  • two players
  • one camera set to “auto activate for player 0”
  • one camera set to “auto activate for player 1”
  • in my PlayerController bAutoManageActiveCameraTarget = true

the good:

  • when the level starts the two players have their camera set to the one I want

the bad:

  • there are auto created 2 more cameras
  • when the listen server does something, the camera of the client will switch to one of the auto created (wrong) ones

the questions:

  • why are there auto created cameras at all
  • why does the client switch its camera because the server does something? (rpc, NetMulticast)