Huawei s9300 mac-address flapping

[dellpe]

Dear all, my huawei S9300 has a problem of mac-address flapping,can someone help me?
#May 12 14:50:26 2013 S9300 L2IF/4/MAC_FLAPPING_ALARM:OID 1.3.6.1.4.1.2011.5.25.42. 2.1.7.12The mac-address has flap value . (BaseTrapSeverity=0, BaseTrapProbableCause=0, BaseTrapEventType=4, L2IfPort=549,entPhysicalIndex=1, MacAdd=000f-e21d-7d30,vlanid=3333, FormerIfDescName=GigabitEthernet1/0/9,CurrentIfDescName=GigabitEthernet1/0/1,DeviceName= S9300)
*0.2239546363 S9306 L2IF_MAC/7/MACFLAPPING:MAC-Flapping Mac: 000f-e21d-7d30, IfName: GigabitEthnet1/0/1, Vlan: 3333, Slot: 1