Elminate 1 LOR (actually a recursive mutex grab) involving ipfilter where we loop through all the list of NICs (struct ifnet), holding the lock on it and then do a name lookup with ifunit() whilst holding it.
Elminate 1 LOR (actually a recursive mutex grab) involving ipfilter where
we loop through all the list of NICs (struct ifnet), holding the lock on
it and then do a name lookup with ifunit() whilst holding it.

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