likewise ed59dc1ada Prevented a race condition between a new ARP request and the ARP timer.
Timeouts stay the same (halved the ARP timer, doubled the counts), but
ETHARP_MAX_PENDING should be at least 2 to prevent it from reaching 0 right away,
giving too little time for any ARP responses to be noted.
2004-11-28 18:00:20 +00:00
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