It may be the case that the rpi has no internet connection on the FBW process. Implement a job that ensures that the rpi will hit the registering endpoint of the soporteremoto tier when possible.
The body of the request should contain:
community name,
rsa public key (tinc credential),
and host_name
Note: Please set the host_name to:
soporteremoto + _ + community_name + _ + device_name