Facing this issue, Agent not able to join logs from agent pod

time="2024-04-19T09:30:20Z" level=error msg="Failed to connect to proxy. Response status: 400 - 400 Bad Request. Response body: websocket: the client is not using the websocket protocol: 'upgrade' token not found in 'Connection' headerError during upgrade for host [c-m-6xskmbv9]: websocket: the client is not using the websocket protocol: 'upgrade' token not found in 'Connection' header" error="websocket: bad handshake"

have anyone faced or seen this issue before? found these logs in rancher pod

2024/04/19 12:00:48 [ERROR] Error during subscribe websocket: the client is not using the websocket protocol: 'upgrade' token not found in 'Connection' header
2024/04/19 12:00:48 [ERROR] Unknown error: websocket: the client is not using the websocket protocol: 'upgrade' token not found in 'Connection' header
2024/04/19 12:01:07 [INFO] Stopping cluster agent for c-m-6xskmbv9
2024/04/19 12:01:07 [ERROR] failed to start cluster controllers c-m-6xskmbv9: context canceled
2024/04/19 12:01:17 [INFO] Handling backend connection request [c-m-6xskmbv9]
2024/04/19 12:01:17 [ERROR] Failed to handle tunnel request from remote address 10.0.0.184:55535 (X-Forwarded-For: 198.19.5.97): response 400: websocket: the client is not using the websocket protocol: 'upgrade' token not found in 'Connection' header
2024/04/19 12:01:17 [ERROR] Failed to handle tunnel request from remote address 10.0.0.184:55535 (X-Forwarded-For: 198.19.5.97): response 400: Error during upgrade for host [c-m-6xskmbv9]: websocket: the client is not using the websocket protocol: 'upgrade' token not found in 'Connection' header