Scenario where Site-to-Site VPN created between Cisco ASA and Cisco FTD with NAT requirement.
ASA OS Version: Cisco Adaptive Security Appliance Software Version 9.6(1)
FTDv: Cisco Firepower Threat Defense for VMWare (75) Version 6.2.0 (Build 363)
CSR1000V: Version 15.5(2)S
ESXi: 6.7