Comment # 39 on bug 109692 from mikhail.v.gavrilov@gmail.com

(In reply to Michel Dänzer from comment #38)
> 
> I'd argue they should be debug, so they don't spam dmesg by default.

Let this messages stay in kernel log (dmesg), but I don't want see they when I
enter any command in terminal. They makes the process entering commands in
terminal very annoying.