How to use tunnel/access through has two internet connection in a single machine

I am running cloudflare service in my server and able to access my domains/subdomain applications/services etc through Access/tunnel method.

I have two ethernet interface in my server and each internet is connected to its own internet (two modems, two ISP), I would like know, how to configure cloudflare to use two internet connections such that, one subdomain (node01.mydomain.com) shall be accessed through internet connection A, subdomain (node02.mydomain.com) through another another internet connection B.

Please let me know if further information is required.