Time to make a real network eng cry (that such a mess, what the heck are you doing there?)
This is the core of my network, Here you will see at the top my Unifi USG router, with the main WAN going out to my Verizon FioS modem, and the second WAN going out to a WiFi access point, that connects to my T-Mobile Hotspot as a fail over in case my Verizon connection[…]