This brings over the enhancement from a506630e57.
We don't expect the systemd state to change while containerd is running,
so we can use a `sync.Once` for this, to prevent stat'ing each time.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
		
	
This brings over the enhancement from a506630e57.
We don't expect the systemd state to change while containerd is running,
so we can use a `sync.Once` for this, to prevent stat'ing each time.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>