httpnet: move disconnect spam to DEBUG level #954
Description
Found in ipfs/kubo:master-2025-06-17-eb6cc02 as part of ipfs/kubo#10816:
Jun 17 16:22:34 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:34.752Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:34 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:34.836Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:34 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:34.936Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:35 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:35.571Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:35 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:35.755Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:35 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:35.803Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:35 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:35.869Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:36 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:36.160Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:38 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:38.353Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:38 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:38.795Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:40 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:40.759Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:43 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:43.606Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:43 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:43.671Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
Jun 17 16:22:44 kubo-staging-us-east-02 ipfs[712417]: 2025-06-17T16:22:44.458Z ERROR httpnet httpnet/msg_sender.go:525 fatal error. Disconnecting from QmUA9D3H7HeCYsirB3KmPSvZh3dNXMZas6Lwgr4fv1HTTp: urls exceeded server errors
I think the disconnect error events produced by automatic disconnect introduced in #919 should be moved to DEBUG level, otherwise it will be 99% of logs everywhere.
cc @hsanjuan thoughts? I would fix it myself, but this seems to be more involved than changing log level.