GPU load rate drops in multiplayer

Platform: PC
GPU: RTX 4080

My gpu is typically at 60-70% utilization. However, as soon as a multiplayer match starts, it drops to 30% and frames drop.
This does not happen during practice time. This issue has been occurring since Update 19.
I’ve tried updating gpu drivers, changing game options, but the symptoms are still there.

I can confirm this, having the same problem.

PC
RTX 4070 Ti

Have the same since Fujimi Kaido Update.
In Singleplayer 120fps. In EVERY Multiplayer Lobby only 48fps and it feels more like 20fps. It is unplayable. RTX3070Ti latest driver.