Fix parsing of IPv4 requests.
Fix parsing of IPv4 requests.

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