Antispam module problem

When I look into /var/log/message this message is repeated many times.

Oct 11 09:47:01 mail systemd: Started Session 2273 of user root.
Oct 11 09:47:14 mail ctasd[21041]: Child exit
Oct 11 09:47:15 mail ctasd[21567]: Kill previous ctasd daemon, pid=21040
Oct 11 09:47:15 mail ctasd[21567]: Failed to kill previous ctasd daemon, pid=21040
Oct 11 09:47:15 mail ctasd[21567]: Loading configuration file /opt/icewarp/spam/commtouch/ctasd.conf
Oct 11 09:47:15 mail ctasd[21568]: daemonize() - dup2 failed on STDIN - Bad file descriptor (9)
Oct 11 09:47:15 mail ctasd[21568]: Update pid file /opt/icewarp/var/ctasd.pid [pis 21568]
Oct 11 09:47:15 mail ctasd[21569]: Synchronize proactive patterns...
Oct 11 09:47:15 mail [ctipd][21580]: Kill previous ctipd daemon, pid=0
Oct 11 09:47:16 mail ctasd[21569]: Synchronize patterns finished
Oct 11 09:47:16 mail ctasd[21569]: Load cache...
Oct 11 09:47:16 mail ctasd[21569]: Load senderId lists
Oct 11 09:47:16 mail ctasd[21569]: Load senderId lists finished
Oct 11 09:47:16 mail ctasd[21569]: Http server listening on port 8088
Oct 11 09:47:16 mail ctasd[21569]: Load cache finished
Oct 11 09:47:16 mail ctasd[21569]: Spamd server listening on port 7830
Oct 11 09:47:16 mail ctasd[21569]: Stat server is disabled
Oct 11 09:47:16 mail ctasd[21569]: Ready
Oct 11 09:48:01 mail systemd: Started Session 2274 of user root.
Oct 11 09:48:15 mail ctasd[21569]: Child exit
Oct 11 09:48:16 mail ctasd[21926]: Kill previous ctasd daemon, pid=21568
Oct 11 09:48:16 mail ctasd[21926]: Failed to kill previous ctasd daemon, pid=21568
Oct 11 09:48:16 mail ctasd[21926]: Loading configuration file /opt/icewarp/spam/commtouch/ctasd.conf
Oct 11 09:48:16 mail ctasd[21927]: daemonize() - dup2 failed on STDIN - Bad file descriptor (9)
Oct 11 09:48:16 mail ctasd[21927]: Update pid file /opt/icewarp/var/ctasd.pid [pis 21927]
Oct 11 09:48:16 mail ctasd[21928]: Synchronize proactive patterns...
Oct 11 09:48:16 mail [ctipd][21943]: Kill previous ctipd daemon, pid=0
Oct 11 09:48:17 mail ctasd[21928]: Synchronize patterns finished
Oct 11 09:48:17 mail ctasd[21928]: Load cache...
Oct 11 09:48:17 mail ctasd[21928]: Http server listening on port 8088
Oct 11 09:48:17 mail ctasd[21928]: Load cache finished
Oct 11 09:48:17 mail ctasd[21928]: Load senderId lists
Oct 11 09:48:17 mail ctasd[21928]: Load senderId lists finished
Oct 11 09:48:17 mail ctasd[21928]: Spamd server listening on port 7830
Oct 11 09:48:17 mail ctasd[21928]: Stat server is disabled
Oct 11 09:48:17 mail ctasd[21928]: Ready