[ 2344.432631][ T9706] br0: port 1(dummy0) entered blocking state
[ 2344.432939][ T9706] br0: port 1(dummy0) entered disabled state
[ 2344.433220][ T9706] dummy0: entered allmulticast mode
[ 2344.434225][ T9706] dummy0: entered promiscuous mode
[ 2344.476334][ T9707] br0: port 1(dummy0) entered blocking state
[ 2344.477046][ T9707] br0: port 1(dummy0) entered forwarding state
[ 2347.043661][T31130] dummy0: left allmulticast mode
[ 2347.043941][T31130] dummy0: left promiscuous mode
[ 2347.044251][T31130] br0: port 1(dummy0) entered disabled state