[ 2089.590709][ T6818] br0: port 1(dummy0) entered blocking state
[ 2089.590897][ T6818] br0: port 1(dummy0) entered disabled state
[ 2089.591040][ T6818] dummy0: entered allmulticast mode
[ 2089.591902][ T6818] dummy0: entered promiscuous mode
[ 2089.616108][ T6819] br0: port 1(dummy0) entered blocking state
[ 2089.616289][ T6819] br0: port 1(dummy0) entered forwarding state
[ 2091.558382][   T70] dummy0: left allmulticast mode
[ 2091.559392][   T70] dummy0: left promiscuous mode
[ 2091.559685][   T70] br0: port 1(dummy0) entered disabled state