My system:
Ubuntu 20.04.3 LTS 64Bit
Kernel 5.11.0-38-generic
Intel(R) Core(TM) i3-7100 CPU @ 3.90GHz
16GB Ram
Network Intel Corporation I211 Gigabit Network Connection
I've had the problem for a while that the SMB performance just randomly drops (strangely enough as if suddenly there was only a...