Just shot in the darks.. please find more info from your partner channel.
Resolved by upgrade to these version:
ArubaOS version | Target Release ETA |
6.5.3.6 | March 16, 2018 |
6.5.4.6 | March 16, 2018 |
6.4.3.12 | March 30, 2018 |
6.4.4.18 | April 27, 2018 |
6.3.1.26 | June, 30, 2018 |