Don't repeated reinstall xroutes.
Don't repeated reinstall xroutes.

Gwendocg/babeldToS,wlanslovenija/babeld,dtaht/babeld-shortrtt-metrics,boutier/babeld,wlanslovenija/babeld,jech/babeld,sudomesh/babeld,woniullb/babeld,Drooids/babeld,Gwendocg/babeldToS,jech/babeld,tcatm/babeld