The value of vRtrIPv6MaxNumRoutesLogOnly specifies the action to
be taken when the maximum number of IPv6 routes that can be held
within a given VRF context is reached. If the value is 'true'
the event is logged (a trap is sent) and the learning of
new routes is not disabled. If the value is 'false' the event
is logged and the learning of new routes is disabled.