Another process that cause hight CPU :-(

After i finaly solved the systemd-udevd CPU-usage, then i discover another process that use 50% CPU; chronyc

If i enter command #>chronyc to check status, i get this

ronsim@localhost:~> chronyc
chrony version 3.2
Copyright (C) 1997-2003, 2007, 2009-2017 Richard P. Curnow and others
chrony comes with ABSOLUTELY NO WARRANTY.  This is free software, and
you are welcome to redistribute it under certain conditions.  See the
GNU General Public License version 2 for details.

chronyc> activity
506 Cannot talk to daemon

I can Kill this process and everything seems to work ok. After reboot its back again.
How can i fix this?