I've come across this document — although it only mentions issues on
power-up.
https://www.mail-archive.com/search?l=beagleboard@googlegroups.com&q=subject:%22%5C%5Bbeagleboard%5C%5D+Re%5C%3A+Beaglebone+Black+Ethernet+Phy+Not+Detected+on+Boot.%22&o=newest&f=1
On Tue, Mar 2, 2021 at 1:39 PM Beh
Alfred:
Were you able to resolve this issue? It seems harmless, but the message is
annoying.
This means that the peer is trying to start BA sessions more than what the
device can support and we are rejecting it. I think you can ignore the
warning or downgrade it to DEBUG (per TI E2E support forums
