[support #1990439] Error logs when exiting Titansim

f_EPTF_DsRestAPI_Filter_filterResponseArrived: warning log changed to debug for error code -11: send error in f_EPTF_DataSource_sendMsgErrorHandler

Change-Id: I59336ff844be1aa00566863257228dbc2e66bb1f Signed-off-by: József Gyürüsi jozsef.gyurusi@ericsson.com