Comment 3 for bug 20769

# Bring up the interfaces (this should probably be left up to some policy
# manager, but at the moment we just bring back whatever we ifdowned)
#for x in $INTERFACES; do
# ifup $x;
#done

# Actually, we don't for the moment - we end up waiting for things to time out
# because multiple ifups want to write to the state file and it's locked. We
# need a better way of doing this - for now just bring back up whatever is
# flagged as auto

ifup -a &

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Wouldn't a better solution be:

ifup $INTERFACES &