The value of sapEgrEncapGroupQosPerMember specifies how the QoS members
will be added to or deleted from the encapsulation group. If the value
of sapEgrEncapGroupQosPerMember is set to 'true', members are added or
deleted one at a time. If the value of sapEgrEncapGroupQosPerMember is
set to 'false', members are added to the encapsulation group as a range
of contiguous values.