warning messages on startup : should I be worried ?

[Sean Darcy]

I've just started using unbound, which seems to be working well.
However, I get these in syslog:

systemd[1]: Started Unbound recursive Domain Name Server.
unbound[1462]: [1462:0] notice: init module 0: ipsecmod
unbound[1462]: [1462:0] notice: init module 1: validator
[1462:0] notice: init module 2: iterator
[1462:0] info: start of service (unbound 1.7.3).
[1462:0] notice: failed connection from 127.0.0.1 port 60088
[1462:0] error: remote control failed ssl crypto error:14094412:SSL
routines:ssl3_read_bytes:sslv3 alert bad certificate
[1462:1] info: generate keytag query _ta-4a5c-4f66. NULL IN
[1462:0] error: can't bind socket: Permission denied for 0.0.0.0
[1462:0] error: can't bind socket: Permission denied for 0.0.0.0

Anything I need to do ? For instance, what bad certificate, and how do
I replace it ?

sean