IPv6 Interface IDs qn . (was RE: DISCUSS and COMMENT: draft-ietf-vrrp-unified-spec )

For VRRP list comments.... 
Steve  

[Snipped]
> >7.4. IPv6 Interface Identifiers
> >
> >IPv6 Routers running VRRP MUST create their Interface Identifiers in 
> >the normal manner (e.g., RFC2464 "Transmission of IPv6 Packets over 
> >Ethernet").  They MUST NOT use the Virtual Router MAC 
> address to create 
> >the Modified EUI-64 identifiers.
> >
> >... 
> >
> >If there are several VRRP routers, it is cumbersome for the 
> operator to 
> >configure the same VRRP protected link-local address on all of them.
> >An implementation might choose simplify this for the 
> operator by using 
> >the VRRP MAC in the formation of these link local addresses.
> 
> Isn't the former MUST NOT instruction contradictory with the 
> guidance in the latter paragraph? Or am I missing something obvious?
[snipped]
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