Include cost in IHU debugging messages.
Include cost in IHU debugging messages.

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