ERROR message. What must be resolved?

[HansK76]

Suddenly I get:
2024-05-24 11:46:23 [INFO] start...
2024-05-24 11:46:23 [INFO] node config start....
2024-05-24 11:46:23 [INFO] node params update....
2024-05-24 11:46:24 [INFO] node params update success
2024-05-24 11:46:24 [INFO] onParamsUpdated
2024-05-24 11:46:24 [INFO] node is restarting .....
2024-05-24 11:46:24 [INFO] satellite started successfully
2024-05-24 11:46:24 [INFO] node started successfully
2024-05-24 11:47:48 [ERRO] node connect err:sorry, the network speed or environment is bad
2024-05-24 12:38:41 [INFO] build mode: release
2024-05-24 12:38:41 [INFO] log level: INFO
2024-05-24 12:38:41 [INFO] start...
2024-05-24 12:38:41 [INFO] node config start....
2024-05-24 12:38:41 [INFO] node params update....
2024-05-24 12:38:42 [INFO] node params update success
2024-05-24 12:38:42 [INFO] onParamsUpdated
2024-05-24 12:38:42 [INFO] node is restarting .....
2024-05-24 12:38:42 [INFO] satellite started successfully
2024-05-24 12:38:42 [INFO] node started successfully
2024-05-24 12:38:44 [ERRO] node connect err:sorry, the network speed or environment is bad

What must be corrected?

[dopaemon]

Disable IPv6 in router Wifi

[bonuses777]

Disable IPv6 in router Wifi
Do you know what must be done on datacenter server with Ubuntu 20.04?

[Mehedi53781]

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