add commented note about Spectrum 1 switch and CPU issues

content/cumulus-linux-59/Monitoring-and-Troubleshooting/Monitoring-Best-Practices.md

@@ -89,7 +89,11 @@ Cumulus Linux monitors CPU, memory, and disk space with `sysmonitor`. The config
 | ------------ | --------------------- |
 | Use          | Alert: 90% Crit: 95%  |
 | Process Load | Alarm: 95% Crit: 125% |
-
+<!--
+{{%notice note%}}
+The Spectrum 1 CPUs can become overloaded at a moderate to high network scale. If your Spectrum 1 switch is not able to process CPU-destined traffic or is running continually at high CPU, either reduce the scale of the network in which you deploy the Spectrum 1 switches or upgrade your switch.
+{{%/notice%}}
+-->
 ### Disk Usage
 
 When monitoring disk utilization, you can exclude `tmpfs` from monitoring.