Avoid deleting the RA Subnet when IP is invalid, also simplify it a bit
Avoid deleting the RA Subnet when IP is invalid, also simplify it a bit

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