The suggestion by florian worked. Thanks.<florian@molphys.leidenuniv.nl <mailto:florian%40molphys.leidenuniv.nl>>said:
You should be able to change this behavior by modifying the file
/etc/init.d/klogd. Find the line which reads
KLOGD=""
and change it to
KLOGD="-c 4"
Then the messages on the console should stop after you restart klogd.
("invoke-rc.d klogd restart").