Duplicate network traffic from guest

When ever I ping something on the local LAN (or WAN), the replies are redirects from the HOST IP, then 4 duplicates of the reply packet from the correct IP. If I ping the host IP, they reply just fine. I am pretty sure something is wrong with the SBS nic and VMware bridge protocol.

The Host is SBS2008 64bit (i know its not supported, but it works at another site), Guest: CentOS 5.4 32bit.

Sample:

SBS: 192.168.1.10 (1 NIC, win firewall off)

CentOS: 192.168.1.9 (bridged)

Some other PC: 192.168.1.11

root@svr2:~ $ ping 192.168.1.10 (SBS)

PING 192.168.1.10 (192.168.1.10) 56(84) bytes of data.

64 bytes from 192.168.1.10: icmp_seq=1 ttl=128 time=0.169 ms

64 bytes from 192.168.1.10: icmp_seq=2 ttl=128 time=0.273 ms

64 bytes from 192.168.1.10: icmp_seq=3 ttl=128 time=0.323 ms

root@svr2:~ $ ping 192.168.1.11 (some pc)

PING 192.168.1.11 (192.168.1.11) 56(84) bytes of data.

From 192.168.1.10: icmp_seq=1 Redirect Network(New nexthop: 192.168.1.11)

64 bytes from 192.168.1.11: icmp_seq=1 ttl=64 time=0.880 ms

64 bytes from 192.168.1.11: icmp_seq=1 ttl=63 time=0.951 ms (DUP!)

64 bytes from 192.168.1.11: icmp_seq=1 ttl=64 time=1.46 ms (DUP!)

64 bytes from 192.168.1.11: icmp_seq=1 ttl=63 time=1.46 ms (DUP!)

From 192.168.1.10: icmp_seq=2 Redirect Network(New nexthop: 192.168.1.11)

64 bytes from 192.168.1.11: icmp_seq=2 ttl=64 time=1.02 ms

64 bytes from 192.168.1.11: icmp_seq=2 ttl=63 time=1.13 ms (DUP!)

64 bytes from 192.168.1.11: icmp_seq=2 ttl=64 time=1.51 ms (DUP!)

64 bytes from 192.168.1.11: icmp_seq=2 ttl=63 time=1.51 ms (DUP!)

From 192.168.1.10: icmp_seq=3 Redirect Network(New nexthop: 192.168.1.11)

64 bytes from 192.168.1.11: icmp_seq=3 ttl=64 time=0.997 ms

64 bytes from 192.168.1.11: icmp_seq=3 ttl=63 time=1.09 ms (DUP!)

64 bytes from 192.168.1.11: icmp_seq=3 ttl=64 time=1.45 ms (DUP!)

64 bytes from 192.168.1.11: icmp_seq=3 ttl=63 time=1.45 ms (DUP!)

--- 192.168.1.11 ping statistics ---

3 packets transmitted, 3 received, +9 duplicates, 0% packet loss, time 3109ms

rtt min/avg/max/mdev = 0.849/1.187/1.445/0.220 ms

9 DUPLICATES!!! - What is that about?