[ 2119.491248][T26907] br0: port 1(dummy0) entered blocking state
[ 2119.491443][T26907] br0: port 1(dummy0) entered disabled state
[ 2119.491612][T26907] dummy0: entered allmulticast mode
[ 2119.492727][T26907] dummy0: entered promiscuous mode
[ 2119.520460][T26908] br0: port 1(dummy0) entered blocking state
[ 2119.520838][T26908] br0: port 1(dummy0) entered forwarding state
[ 2121.490617][   T67] dummy0: left allmulticast mode
[ 2121.491160][   T67] dummy0: left promiscuous mode
[ 2121.491387][   T67] br0: port 1(dummy0) entered disabled state