[ 2202.418540][ T5264] br0: port 1(dummy0) entered blocking state
[ 2202.418744][ T5264] br0: port 1(dummy0) entered disabled state
[ 2202.418903][ T5264] dummy0: entered allmulticast mode
[ 2202.419814][ T5264] dummy0: entered promiscuous mode
[ 2202.452102][ T5265] br0: port 1(dummy0) entered blocking state
[ 2202.452378][ T5265] br0: port 1(dummy0) entered forwarding state
[ 2204.932090][   T12] dummy0: left allmulticast mode
[ 2204.932390][   T12] dummy0: left promiscuous mode
[ 2204.932702][   T12] br0: port 1(dummy0) entered disabled state