[ovirt-users] [Centos7x64] [Ovirt 3.5.2 hosted engine] hypervisor hang when rebooted

Hi, Centos7x64, Ovirt 3.5.2 hosted engine : all updated. Two hypervisors HP DL380p I have a strange behaviour on my hypervisors, whenever I reboot one of them it hangs. It hangs in this line : hpwdt unexpected close not stopping watchdog watchdog multiplexing stopped on the ILO4 GUI I have this error An Unrecoverable System Error (NMI) has occurred (System error code 0x0000002B, 0x00000000) Thanks.