[ 1829.402336] br0: port 1(dummy0) entered blocking state
[ 1829.402382] br0: port 1(dummy0) entered disabled state
[ 1829.402422] dummy0: entered allmulticast mode
[ 1829.402490] dummy0: entered promiscuous mode
[ 1829.406182] br0: port 1(dummy0) entered blocking state
[ 1829.406246] br0: port 1(dummy0) entered forwarding state
[ 1829.678452] dummy0: left allmulticast mode
[ 1829.678479] dummy0: left promiscuous mode
[ 1829.678506] br0: port 1(dummy0) entered disabled state