Event ifc:eventmgr:state-transition|operStChange|vlan:CktEp
                
                    
                         Name: vlan_CktEp_operStChange
                         
                         Code: E4209418
                         
                         Cause: excessive-stp-tcn-flush
                         
                         Severity: warning
                         
                         Trigger: OPER
                         
                         Message: 
Excessive STP TCN flushes happened on VLAN
                         
                         Triggered By: 
                         
                                    excessiveTcnFlushCnt not equals 0u