This primitive may be used in case of need to expand portid in the event of requirement to attach a large number of agents to the nodes. This may be used in conjunction with set-addres-format command (with different options) explained above. Synopsis for this command shall be:
expand-port-field-bits <#bits for portid>
expand-port-field-bits checks and raises error in the following if the requested portsize cannot be accomodated (i.e if sufficient num.of free bits are not available) or if requested portsize is less than or equal to the existing portsize.