[bitswap] Frequent "received empty message" log entries from multiple peers

[aWN4Y25pa2EK]

We are observing frequent log entries indicating that the Bitswap server is receiving empty messages from multiple peers.

Logs:

Below are some example log entries showing the empty messages received:

2024-12-13T10:48:20.916Z INFO bitswap/server/decision decision/engine.go:679 received empty message from 12D3KooWNB1QiE9bgkgXjk5LDq8YHfABNYnKcEip6Zqx1WdWsdaN
2024-12-13T10:48:21.002Z INFO bitswap/server/decision decision/engine.go:679 received empty message from 12D3KooWAaQge1CXX7Tr2Vkv9GELbryzyN8nrfDJC9G7ifYkhN3d
2024-12-13T10:48:21.477Z INFO bitswap/server/decision decision/engine.go:679 received empty message from 12D3KooWG622N7QE4m5ypuEC4AmZheAWsU5NZ1X8AxjkABBwMzND
2024-12-13T10:48:21.750Z INFO bitswap/server/decision decision/engine.go:679 received empty message from 12D3KooWCqMWrEvgwN64SZRcjG3HCtNaCLodxT3v4Kfh6aCfCJGW
2024-12-13T10:48:21.795Z INFO bitswap/server/decision decision/engine.go:679 received empty message from 12D3KooWGF8tGiodVoWceegJUwpfWjZxvRvC9f3xsFqMa3P1pxPb

Observed

Across all of the mainnet DA nodes v0.20.4 approximately every 60 seconds.

[Wondertan]

@aWN4Y25pa2EK, do you see peer ids repeat in the logs? Are these the same peers sending use empty messages every ~60s or arr they different every time? If they are the same, can you post sever adjacent logs coming from the same peer? I would need to know the time between each message exactly