em driver doesn't set multicast ethernet address

[Bruce Simpson]

iprebeg at freebsd.org wrote:
> I placed config in sysctl.conf and rebooted but mcastread still generates IGMPv3
> membership report. Am I missing something?
>   

Only other thing I can think of right now:
Are any multicast queriers/routers present on the virtual subnet?

I'm tied up, so probably can't look at the sysctl in detail, until in 
the week.

cheers,
BMS