Actually refresh external routes when the kernel routes changed.
Actually refresh external routes when the kernel routes changed.

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