If you see the following messages in the your device log, it means that there is a wireless driver mismatch between your station and access point.  


These will go away once both sides are on the same firmware version.


[  149.541941]  DRIVER_LOG [INFO1-CORE]-[PrsCoreScanConnectionManager_PerStationBlockAckStatusNotificationReceived:2543]: The ba status received is: 1
[ 149.555165] DRIVER_LOG [INFO1-CORE]-[PrsCoreScanConnectionManager_PerStationBlockAckStatusNotificationReceived:2543]: The ba status received is: 0
[ 149.568323] DRIVER_LOG [INFO1-CORE]-[PrsCoreScanConnectionManager_PerStationBlockAckStatusNotificationReceived:2543]: The ba status received is: 5
[ 150.041928] DRIVER_LOG [INFO1-CORE]-[PrsCoreScanConnectionManager_PerStationBlockAckStatusNotificationReceived:2543]: The ba status received is: 1
[ 150.055104] DRIVER_LOG [INFO1-CORE]-[PrsCoreScanConnectionManager_PerStationBlockAckStatusNotificationReceived:2543]: The ba status received is: 0
[ 150.068297] DRIVER_LOG [INFO1-CORE]-[PrsCoreScanConnectionManager_PerStationBlockAckStatusNotificationReceived:2543]: The ba status received is: 5
[  150.542056]  DRIVER_LOG [INFO1-CORE]-[PrsCoreScanConnectionManager_PerStationBlockAckStatusNotificationReceived:2543]: The ba status received is: 1