I havethissameissue.
After the addingunreachable routein the routing table
ip route add unreachable 10.0.0.0/8 metric 999
I'm starting toget an error
vmsvc[938]: [ warning] [guestinfo] RecordRoutingInfo: Unable to collect IPv4 routing table.
Of courseI've read http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2048572
But thesesolutiondid not helpme.