[ 1611.126753][ T3159] kworker/2:0 (3159) used greatest stack depth: 23648 bytes left [ 1611.345650][ T7254] ACPI: PM: Preparing to enter system sleep state S5 [ 1611.347069][ T7254] kvm: exiting hardware virtualization [ 1611.347343][ T7254] reboot: Power down