[ 2062.271692][ T9269] br0: port 1(dummy0) entered blocking state
[ 2062.271921][ T9269] br0: port 1(dummy0) entered disabled state
[ 2062.272748][ T9269] dummy0: entered allmulticast mode
[ 2062.274294][ T9269] dummy0: entered promiscuous mode
[ 2062.308763][ T9270] br0: port 1(dummy0) entered blocking state
[ 2062.309034][ T9270] br0: port 1(dummy0) entered forwarding state
[ 2064.250276][   T69] dummy0: left allmulticast mode
[ 2064.251304][   T69] dummy0: left promiscuous mode
[ 2064.251541][   T69] br0: port 1(dummy0) entered disabled state