db: Notification block pinning reached

[lexnv]

The notification block pinning warning is triggered for a brief time. The warning stops after around ~4 hours.

The node is running libp2p backend in kusama with the following command: --chain kusama --pruning=1000 --in-peers 50 --out-peers 50 --sync=warp.

The node was started at 2024-10-14 06:17:04.790 and is running ever since.
The same issue does not happen with litep2p backend.

Substrate running from branch: lexnv/holistic-litep2p-test-dhtandpeerset (built on top of 439b31ef9bb).

2024-10-14 17:16:24.582  WARN tokio-runtime-worker db::notification_pinning: Notification block pinning limit reached. Unpinning block with hash = 0x309ff12223ea15aaf6c02b5b1ea517daa42150d64eb46860b9c0c8e5ba4e08f5
2024-10-14 17:16:30.441  WARN tokio-runtime-worker db::notification_pinning: Notification block pinning limit reached. Unpinning block with hash = 0xb4e712d1ab5c8e4873d3c2775befdc326b0fc719d1d32fb5c5efa532b70a76e8
2024-10-14 17:16:35.752  WARN tokio-runtime-worker db::notification_pinning: Notification block pinning limit reached. Unpinning ...

2024-10-14 21:46:30.373  WARN tokio-runtime-worker db::notification_pinning: Notification block pinning limit reached. Unpinning block with hash = 0x4e4fd5a6ae25a4fce2744592e91eaee92505abf15f587ea6945065b685b8673c
2024-10-14 21:46:36.430  WARN tokio-runtime-worker db::notification_pinning: Notification block pinning limit reached. Unpinning block with hash = 0x1b6916376d2ac176429d830e5ad488f0f178d1069793de2d710bd35d2be6cdcf
2024-10-14 21:47:00.580  WARN tokio-runtime-worker db::notification_pinning: Notification block pinning limit reached. Unpinning block with hash = 0xaeb00ffc5984341b474c573980c6e3585627a0c662d15573317370706caa2935