remote control faild ssl crypto error

Unbound
1

Running Unbound 1.18.0 on my Pihole RPi device.
I get this error:

tail -n 20 /etc/unbound/unbound.log
Sep 24 18:57:22 unbound[6565:0] info: generate keytag query _ta-4f66. NULL IN
Sep 24 18:59:03 unbound[6565:0] notice: failed connection from 127.0.0.1 port 52304
Sep 24 18:59:03 unbound[6565:0] error: remote control failed ssl crypto error:1408F10B:SSL routines:ssl3_get_record:wrong version number
Sep 24 18:59:03 unbound[6565:0] info: service stopped (unbound 1.18.0).

2

Without any information about used distribution version or used openssl library, it is difficult to tell. Can you share more information?