In some email I received from itojun@iijlab.net, sie wrote:
> 	vmware lance emulation has bug in multicast (it copies outgoing
> 	multicast datagram to inbound path, which should not happen), and
> 	if netbsd is run as guest OS (on top of vmware) it will fail to
> 	perform IPv6 duplicated-address-detection.  did the problem solved?
> 	(i don't use vmware myself)
> 	if not, i would like to put an workaround, as shown below:
> 	http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/lnc/if_lnc.c.diff?r1=1.80&r2=1.81

Do you see the same problem with the pcn driver?

Apparently the lance driver isn't the best one to use with vmware.

Darren