netstat -m 'cannot allocate memory'

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Hello,

On 2 of my systems I get the following error while doing netstat -m:

$ netstat -m
netstat: sysctl: retrieving mbstat: Cannot allocate memory

This is a PIV 2ghz, with 1,5 GB of memory


I couldn't find anything about this on the internet.. anyone that has 
any idea whats wrong here ?

Thanks