warning messages on startup : should I be worried ?

[Jaap Akkerhuis]

 > 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 ?

It seems to me that you have remote control enable but didn't set
up it up properly.  See man unbound-control-setup for details.

	jaap