[ 2285.261146][T19522] br0: port 1(dummy0) entered blocking state
[ 2285.261452][T19522] br0: port 1(dummy0) entered disabled state
[ 2285.261721][T19522] dummy0: entered allmulticast mode
[ 2285.262719][T19522] dummy0: entered promiscuous mode
[ 2285.294418][T19523] br0: port 1(dummy0) entered blocking state
[ 2285.294710][T19523] br0: port 1(dummy0) entered forwarding state
[ 2287.790972][   T12] dummy0: left allmulticast mode
[ 2287.791245][   T12] dummy0: left promiscuous mode
[ 2287.791550][   T12] br0: port 1(dummy0) entered disabled state