* Also, if any of the new flow entries would clash with an existing
* one, we cannot proceed with the modify operation, because it would
* fail for some entries and leave stale entries on the network node.
* Modify path can be taken only if it can be performed completely, for
* all entries.
* Also, if any of the new flow entries would clash with an existing
* one, we cannot proceed with the modify operation, because it would
* fail for some entries and leave stale entries on the network node.
* Modify path can be taken only if it can be performed completely, for
* all entries.