Write out old ip to /tmp/rc.newwanip_oldip
Write out old ip to /tmp/rc.newwanip_oldip

BlackstarGroup/pfsense,brunostein/pfsense,jxmx/pfsense,brunostein/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense,ptorsten/pfsense,ptorsten/pfsense,jxmx/pfsense,phil-davis/pfsense,phil-davis/pfsense,ch1c4um/pfsense,NewEraCracker/pfsense,BlackstarGroup/pfsense,NOYB/pfsense,NOYB/pfsense,ch1c4um/pfsense,phil-davis/pfsense,brunostein/pfsense,BlackstarGroup/pfsense,BlackstarGroup/pfsense,pfsense/pfsense,ch1c4um/pfsense,jxmx/pfsense,pfsense/pfsense,dennypage/pfsense,pfsense/pfsense,ptorsten/pfsense,dennypage/pfsense,ch1c4um/pfsense,NewEraCracker/pfsense,dennypage/pfsense,phil-davis/pfsense,dennypage/pfsense,NOYB/pfsense,pfsense/pfsense