We get crash on a container start:
[ 120.818119] BUG: sleeping function called from invalid context at
include/linux/sched/mm.h:201
[ 120.819805] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 3299,
name: vzctl
[ 120.821504] INFO: lockdep is turned off.
[ 120.823206] irq event
[ 120.818119] BUG: sleeping function called from invalid context at
include/linux/sched/mm.h:201
[ 120.819805] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 3299,
name: vzctl
[ 120.821504] INFO: lockdep is turned off.
[ 120.823206] irq event stamp: 6130
[ 120.824901] hardirqs last