Warning : ClientSessionKeepAliveManager#ping_server Invalid Channel after performing transaction on ReadRequest

Whenever the connection drops, due to maybe network issue or opcua server restarts; after restart the connection doesn't happens automatically until we manually redeploy the flow.
Getting below error in logs:

21:48:55.019Z :client_session_keepalive_manag:122    warning : ClientSessionKeepAliveManager#ping_server  Transaction has timed out ( timeout = 60000 ms , request = ReadRequest)
21:50:15.020Z :client_session_keepalive_manag:122    warning : ClientSessionKeepAliveManager#ping_server  Transaction has timed out ( timeout = 60000 ms , request = ReadRequest)
21:51:15.021Z :client_session_keepalive_manag:122    warning : ClientSessionKeepAliveManager#ping_server  Invalid Channel after performing transaction on ReadRequest
21:51:35.022Z :client_session_keepalive_manag:122    warning : ClientSessionKeepAliveManager#ping_server  Invalid Channel after performing transaction on ReadRequest ```