Losing OpenVPN vtuns when upgrading from 1.1.7 to 1.3.1-S1

Hello. I am in the process of upgrading our Vyattas to 1.3.1-S1, and I’ve been noticing that our site-to-site OpenVPN vtuns are not establishing after the upgrades. The tunnel configs still exist in config.boot, however, the tunnels never pick up - restarting them has no effect and neither does rebooting the Vyatta. If I show interfaces, I can see the vtuns listed, but they just have dashes instead of their associated IP’s. Once I rebuild the tunnels, there are no issues, but for some of our larger clients, we have more than 50 vtuns so this would be a huge undertaking to complete manually. I appreciate any input available. Thanks

this jump is pretty big , I recommend to upgrade first 1.2.9 or 1.2.x version ,after it upgrade 1.3.x , in fact, the version is not updated , I recommend moved 1.3.7 or update 1.5.X rolling-release, many bugs are solved in the current version.

Actually first to 1.1.8 and then 1.2.x and then 1.3.x