Describe the bug
when using an advanced exporter it will occasionally slow down and will need go back to the correct speed until i disconnect from the network and reattatch it.
its happens with and without speed and stack upgrades, not sure what causes it exactly,

Configuration
Mod version:1.2.1
Forge version:35.1.13
Minecraft version:1.16.4
Refined Storage version:1.9.9
Are you playing on server?:yes
Modpack: Direwolf20 1.16 version1.2.0

To Reproduce
Steps to reproduce the behavior:
start exporting mass amounts of items and wait

Expected behavior
for the exporter to continue to work at the correct speed