[ 2338.560996][T24730] br0: port 1(dummy0) entered blocking state
[ 2338.561321][T24730] br0: port 1(dummy0) entered disabled state
[ 2338.561611][T24730] dummy0: entered allmulticast mode
[ 2338.562758][T24730] dummy0: entered promiscuous mode
[ 2338.595461][T24731] br0: port 1(dummy0) entered blocking state
[ 2338.595950][T24731] br0: port 1(dummy0) entered forwarding state
[ 2340.960061][   T12] dummy0: left allmulticast mode
[ 2340.961795][   T12] dummy0: left promiscuous mode
[ 2340.962147][   T12] br0: port 1(dummy0) entered disabled state