I had the same issue as long as I powered my VF2 from a common 3A USB-C power supply and also with the 4A for the Pi4. Since I use a 65W max USB-C Multi-Slot power supply, I’m rid of those messages.
I assume, that there are short spikes in power consumption exceeding the 3A/4A border of the simpler power supplies and that then disturbs the PICe protocol on the bus causing retries.
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