problem with network

[RJ45]

Ultra 60 here with FreeBSD 5.2.1
everything is working fine, network is super fast.
except this:

venus# ping localhost
PING localhost  (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=437.085 ms
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=436.980 ms
64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=-436.748 ms
64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=-436.760 ms
64 bytes from 127.0.0.1: icmp_seq=4 ttl=64 time=437.012 ms
64 bytes from 127.0.0.1: icmp_seq=5 ttl=64 time=436.975 ms
64 bytes from 127.0.0.1: icmp_seq=6 ttl=64 time=-436.741 ms
64 bytes from 127.0.0.1: icmp_seq=7 ttl=64 time=436.987 ms

this happens to whatever ping or traceroute to internal network or to
internet is the same I Always got crazy TTL results....

anyone had this problem ?

thanks

Rick