can't connected peer

[xinzhongyoumeng]

version: 15.2.0
problem: the logs is below:

2025-10-29 14:58:50 Accepting new connection 4/100
2025-10-29 14:58:51 Clique Network status: not maintaining any connections;
2025-10-29 14:58:51 Imported: #124641872 (0xb7fb…d1f3), finalized: #124641871 (0xa383…b47a), favourite: #124641872 (0xb7fb…d1f3).
2025-10-29 14:58:51 Network status report: /0x7025…344e/sync/0 connected peers - 0;
2025-10-29 14:58:51 Network status report: /0x7025…344e/auth/0 connected peers - 0;
2025-10-29 14:59:11 Clique Network status: not maintaining any connections;
2025-10-29 14:59:11 Imported: #124641872 (0xb7fb…d1f3), finalized: #124641871 (0xa383…b47a), favourite: #124641872 (0xb7fb…d1f3).
2025-10-29 14:59:11 Network status report: /0x7025…344e/auth/0 connected peers - 0;
2025-10-29 14:59:11 Network status report: /0x7025…344e/sync/0 connected peers - 0;

the bootnodes can't reach.
such as: --bootnodes /dns4/bootnode-eu-central-1-0.azero.dev/tcp/30333/p2p/12D3KooWEF1Eo7uFZWdqFsTPP7CehpRt5NeXFwCe3157qpoU5aqd /dns4/bootnode-eu-west-1-0.azero.dev/tcp/30333/p2p/12D3KooWPhi8Qvzvc8iJ4CeQj2vptjc5FTrodKPmra1NS1qfftjr /dns4/bootnode-eu-west-2-0.azero.dev/tcp/30333/p2p/12D3KooWDfUzU64WURE77tXYM9H94xQFAEL6ULQYhzegKsZXjEkC /dns4/bootnode-us-east-1-0.azero.dev/tcp/30333/p2p/12D3KooWFQSGvQii2gRGB5T4M6TXhM83JV4bTEhubCBpdoR6Rkwk /dns4/bootnode-us-east-2-0.azero.dev/tcp/30333/p2p/12D3KooWJnEGVVmnXhVNxV6KWe3EsDPNvPFNcYbQ6amFVGECVAGB