[ 2395.881220][T28419] br0: port 1(dummy0) entered blocking state
[ 2395.881530][T28419] br0: port 1(dummy0) entered disabled state
[ 2395.881808][T28419] dummy0: entered allmulticast mode
[ 2395.882813][T28419] dummy0: entered promiscuous mode
[ 2395.909728][T28420] br0: port 1(dummy0) entered blocking state
[ 2395.910030][T28420] br0: port 1(dummy0) entered forwarding state
[ 2398.334409][   T70] dummy0: left allmulticast mode
[ 2398.335531][   T70] dummy0: left promiscuous mode
[ 2398.336119][   T70] br0: port 1(dummy0) entered disabled state