helper function to get vsg_id from subscriber
helper function to get vsg_id from subscriber

zdw/xos,open-cloud/xos,cboling/xos,cboling/xos,cboling/xos,open-cloud/xos,opencord/xos,cboling/xos,zdw/xos,zdw/xos,open-cloud/xos,opencord/xos,cboling/xos,opencord/xos,zdw/xos