Can't get traffic through - 100% packet loss on tun1

[7MinSec]

Hello,

I believe I've followed all the instructions correctly, and when I run the script all the AWS instances get spun up, and I seem to be good to go, but then I get lots of lines like this:

When this is happening I can't ping or connect to any Internet-facing endpoint.

Then after several minutes things kind of poop out with:

The AWS instances remain up so I just destroy them manually. Not sure what to do to troubleshoot this.