So I am pretty sure this is a self created problem.
I was able to upgrade the BIOS / firmware of the Routing Engine without issue. But I rebooted right after and then tried the backup RE. At this point it fails with the error of:
error: invalid xml tag () from chassis-control daemon
I've tried rebooting the SRX. I've tried upgrading from with the CLI and out. Nothing works. This is a SRX210HE-POE with RE version 7.
BIOS / Firmware was 2.0 and we upgraded to 2.5.
Is there a way to upgrade the backup RE?