[ 2188.022521][T14764] br0: port 1(dummy0) entered blocking state
[ 2188.022718][T14764] br0: port 1(dummy0) entered disabled state
[ 2188.022891][T14764] dummy0: entered allmulticast mode
[ 2188.023830][T14764] dummy0: entered promiscuous mode
[ 2188.054545][T14765] br0: port 1(dummy0) entered blocking state
[ 2188.054800][T14765] br0: port 1(dummy0) entered forwarding state
[ 2190.465289][   T67] dummy0: left allmulticast mode
[ 2190.465928][   T67] dummy0: left promiscuous mode
[ 2190.466194][   T67] br0: port 1(dummy0) entered disabled state