[ 2099.356559][T13419] br0: port 1(dummy0) entered blocking state
[ 2099.356737][T13419] br0: port 1(dummy0) entered disabled state
[ 2099.356972][T13419] dummy0: entered allmulticast mode
[ 2099.357496][T13419] dummy0: entered promiscuous mode
[ 2099.375399][T13420] br0: port 1(dummy0) entered blocking state
[ 2099.375513][T13420] br0: port 1(dummy0) entered forwarding state
[ 2100.518173][   T69] dummy0: left allmulticast mode
[ 2100.518304][   T69] dummy0: left promiscuous mode
[ 2100.518455][   T69] br0: port 1(dummy0) entered disabled state