[ 2035.179393][ T9017] br0: port 1(dummy0) entered blocking state
[ 2035.179600][ T9017] br0: port 1(dummy0) entered disabled state
[ 2035.179782][ T9017] dummy0: entered allmulticast mode
[ 2035.181908][ T9017] dummy0: entered promiscuous mode
[ 2035.202815][ T9018] br0: port 1(dummy0) entered blocking state
[ 2035.203085][ T9018] br0: port 1(dummy0) entered forwarding state
[ 2037.271750][   T12] dummy0: left allmulticast mode
[ 2037.272088][   T12] dummy0: left promiscuous mode
[ 2037.272357][   T12] br0: port 1(dummy0) entered disabled state