[ 2047.500493][T12296] br0: port 1(dummy0) entered blocking state
[ 2047.500732][T12296] br0: port 1(dummy0) entered disabled state
[ 2047.500955][T12296] dummy0: entered allmulticast mode
[ 2047.501939][T12296] dummy0: entered promiscuous mode
[ 2047.530662][T12297] br0: port 1(dummy0) entered blocking state
[ 2047.531334][T12297] br0: port 1(dummy0) entered forwarding state
[ 2049.387841][   T12] dummy0: left allmulticast mode
[ 2049.388046][   T12] dummy0: left promiscuous mode
[ 2049.388733][   T12] br0: port 1(dummy0) entered disabled state