Correct DPD syntax and values. Fixes #11196
Correct DPD syntax and values. Fixes #11196

dennypage/pfsense,dennypage/pfsense,NewEraCracker/pfsense,dennypage/pfsense,NewEraCracker/pfsense,pfsense/pfsense,pfsense/pfsense,dennypage/pfsense,pfsense/pfsense,pfsense/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense