fix bug when running onos tosca twice
fix bug when running onos tosca twice

xmaruto/mcord,cboling/xos,cboling/xos,jermowery/xos,xmaruto/mcord,cboling/xos,jermowery/xos,cboling/xos,jermowery/xos,jermowery/xos,cboling/xos,xmaruto/mcord,xmaruto/mcord