I was alerted that one or more OSPF neighbors are down. All of them in fact. Upon logging in to the Nexus and immediately running show ip neighbors it listed all of them as up. All of them for no less than 1 week and some for over a year. No network issues have been reported so I suspect this is a false alarm but I'm not sure what could have caused it.
This occured within an hour, possibly less of upgrading to