[ 2054.351137][T22162] br0: port 1(dummy0) entered blocking state
[ 2054.351308][T22162] br0: port 1(dummy0) entered disabled state
[ 2054.351455][T22162] dummy0: entered allmulticast mode
[ 2054.352443][T22162] dummy0: entered promiscuous mode
[ 2054.382753][T22163] br0: port 1(dummy0) entered blocking state
[ 2054.382981][T22163] br0: port 1(dummy0) entered forwarding state
[ 2056.358743][   T12] dummy0: left allmulticast mode
[ 2056.359648][   T12] dummy0: left promiscuous mode
[ 2056.359869][   T12] br0: port 1(dummy0) entered disabled state