steps to reproduce:

1. install unbound `transactional-update pkg in unbound`
2. reboot your system
3. try to start unbound.service
4. unbound fails to start

systemctl status unbound.service

systemd[1]: Starting Unbound recursive Domain Name Server...
(sudo)[1552]: unbound.service: Failed to locate executable /usr/bin/sudo:
Permission denied
systemd[1]: unbound.service: Control process exited, code=exited,
status=203/EXEC
systemd[1]: unbound.service: Failed with result 'exit-code'.
systemd[1]: Failed to start Unbound recursive Domain Name Server.

It's maybe related to SELinux /var/log/audit/audit.log:

type=AVC msg=audit(1695461159.115:842): avc:  denied  { execute } for  pid=1552
comm="(sudo)" name="sudo" dev="sda2" ino=14092
scontext=system_u:system_r:init_t:s0 tcontext=system_u:object_r:sudo_exec_t:s0
tclass=file permissive=0

Unfortunately I have no idea about SELinux, any help would be appreciated.