Strange kernel message while NFS-root-booting

[Marc Prager <mp@asterius.de>]

Hello folks,

while booting a diskless client (etherboot, 3c905b with a At29C010,
kernel-level network configuration via BOOTP/dhcpd) I get the strange message
'neigbour table overflow':

 ...
Looking up port of RPC 100003/2 on 192.168.21.16
neighbour table overflow
Looking up port of RPC 100005/1 on 192.168.21.16
VFS: Mounted root (NFS filesystem).
...

I has nothing to do with RAM (128MB installed - no change!)
Everything else is ok (as far as I can see ;-)
What is this neighbour table for ?
Should I worry about this message ?

Marc


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