Console Message for OpenWRT and Reducing or Eliminating

The below is useful if a TTL / Serial Cable is connected to the WRT Series of routers.

• nano /etc/sysctl.conf
• Add this line: kernel.printk = 3 4 1 3
• service sysctl restart

Based on information from here: https://superuser.com/questions/351387/how-to-stop-kernel-messages-from-flooding-my-console