Check if the interface is used by gre/gif tunnels before allowing deletion.
Check if the interface is used by gre/gif tunnels before allowing deletion.

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