Make extra sure that we do not start multiple instances of dhcpleases if, for example, the PID is stale/invalid and there is still a running instance.
Make extra sure that we do not start multiple instances of dhcpleases if, for example, the PID is stale/invalid and there is still a running instance.

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