● jelling.service - Jelling BTLE OTP Receiver daemon
Loaded: loaded (/lib/systemd/system/jelling.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Tue 2018-09-25 11:07:50 EDT; 1min 57s ago
Process: 25446 ExecStart=/usr/local/libexec/jelling (code=exited, status=1/FAILURE)
Main PID: 25446 (code=exited, status=1/FAILURE)

Sep 25 11:07:50 zorro systemd[1]: Started Jelling BTLE OTP Receiver daemon.
Sep 25 11:07:50 zorro jelling[25446]: /usr/local/libexec/jelling: Error opening (null): Bad address