It seems, if audit itself is not installed and therefore nothing listens to the messages from the kernel's audit subsystem, the latter spams the kernel log with such messages. Let us make them debug-level and thus invisible by default. http://bugs.rosalinux.ru/show_bug.cgi?id=6235 http://bugs.rosalinux.ru/show_bug.cgi?id=6459 diff -Naur linux-5.9.orig/kernel/audit.c linux-5.9/kernel/audit.c --- linux-5.9.orig/kernel/audit.c 2020-10-17 12:03:17.445125041 +0300 +++ linux-5.9/kernel/audit.c 2020-10-17 12:03:17.455125041 +0300 @@ -535,7 +535,7 @@ char *data = nlmsg_data(nlh); if (nlh->nlmsg_type != AUDIT_EOE && printk_ratelimit()) - pr_notice("type=%d %s\n", nlh->nlmsg_type, data); + pr_debug("type=%d %s\n", nlh->nlmsg_type, data); } /**