The cluster port link is flapping causing the cluster network to be degraded and the following events are reported in the system: [Node-02: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLU...The cluster port link is flapping causing the cluster network to be degraded and the following events are reported in the system: [Node-02: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: Frequent Link Flapping - Cluster port e0a on node Node-02 has experienced multiple link down notifications. The below alert is reported in the event logs when the link between the cluster port and cluster switch goes down: