This object defines what type of operation that can be
additionally performed at a route metric. Note that
this object will be always ignored if a3ComRoutePolicyAction is of
the type reject(2). Furthermore, a3ComRoutePolicyAdjustMetric will
also be ignored in occasions where a3ComRoutePolicyAction is of the
type accept(1) and the object a3ComRoutePolicyMetric is set to zero.
a3ComRoutePolicyAdjustMetric can be modified at any time.