Add function to return the physical interface(s) for a given parent. related to Ticket #5081
Add function to return the physical interface(s) for a given parent. related to Ticket #5081

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