Game continuously outputs spam to log, when a non-experimental world is loaded with a monster spawner or spawner minecart containing disabled mobs

Game continuously to output a lot of spam, when a non-experimental world is loaded with a monster spawner or spawner minecart containing disabled mobs.

Game output with monster spawner

22:25:28.167
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.182
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.195
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.211
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.227
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.240
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.254
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.269
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.283
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.297
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.311
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.327
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.341
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.355
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.371
bdv
Render thread
Skipping Entity with id minecraft:camel
22:25:28.384
bdv
Render thread
Skipping Entity with id minecraft:camel

Game output with spawner minecart

22:47:34.081
bdv
Server thread
Skipping Entity with id minecraft:camel
22:47:50.631
bdv
Server thread
Skipping Entity with id minecraft:camel