Comment # 19 on bug 924488 from Thomas Blume

(In reply to Andrei Borzenkov from comment #18)
> (In reply to Thomas Blume from comment #17)
> > Can you please make sure that you add the option:
> > 
> > _netdev
> > 
> > to all nfs mounts in /etc/fstab?
> 
> It is different problem - he speaks about manual mounts, for them _netdev is
> irrelevant. The problem is that with manual NFS mounts network-online.target
> is not pulled in so on shutdown there is nothing to synchronize stopping of
> interfaces against. I am afraid it was my mistake to order network@.service
> against network-online.target instead of network.target. I cannot say what
> was the reason for this. I think we need to apply suggested patch indeed.

Ah ok, indeed I wasn't aware that the mounts are manual.