@bonnecomm:
There are precisely 2 subnets in use and a pile of PPPoE errors in the logs.
What are the errors?
The next version may fix it, depending on what the errors are of course. 8)
@jimp:
If your two interfaces ever have the same gateway, it will fail, and you can't override a gateway for pppoe in that way.
You'll likely need to let one modem do NAT in that situation.
That said, you might find this post-2.0 commit interesting :-)
https://github.com/bsdperimeter/pfsense-tools/commit/7d06581fa8dd923c94f8e8cfce05dfabbac39a25