Samba is not working (SSSD accountsprovider error)

[root@nethserver ~]# cat /etc/resolv.conf
# ================= DO NOT MODIFY THIS FILE =================
#
# Manual changes will be lost when this file is regenerated.
#
# Please read the developer's guide, which is available
# at NethServer official site: https://www.nethserver.org
#
#
domain info2.unicentrobogota.com
search info2.unicentrobogota.com

# dnsmasq is enabled on this machine:
nameserver 127.0.0.1

Yes I rebooted the machine, but I have Ntop misterious traffic

Misterious traffic I think this machine is hijacked. I just upgrade the system from 7.4 to 7.5rc.