Hi All,
I get hundreds of events logged, as seen below, where only port 18 changes status every 8 hours every day.
Currently it has no impact on the user experience because port 18 is connected to a passive MX device.
 
In the logs I can see it on the MS120 switch:
 

 
Here is the topology:
 
 
 
I checked the cables from the Meraki Dashboard, and its all OK. 
 
Any ideas?
Thank you in advance.
 
Thanks,
Mike