Move the discussion of how many times a packet will pass through ipfirewall(4) to the IMPLEMENTATION NOTES section because it considers kernel internals and may confuse newbies if placed at the very beginning of the manpage (where it used to be previously.)
Move the discussion of how many times a packet will pass through
ipfirewall(4) to the IMPLEMENTATION NOTES section because it
considers kernel internals and may confuse newbies if placed
at the very beginning of the manpage (where it used to be previously.)

Not objected by:	luigi

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