[ 2334.660398][T28876] br0: port 1(dummy0) entered blocking state
[ 2334.660719][T28876] br0: port 1(dummy0) entered disabled state
[ 2334.661015][T28876] dummy0: entered allmulticast mode
[ 2334.662011][T28876] dummy0: entered promiscuous mode
[ 2334.693011][T28877] br0: port 1(dummy0) entered blocking state
[ 2334.693951][T28877] br0: port 1(dummy0) entered forwarding state
[ 2337.194497][   T72] dummy0: left allmulticast mode
[ 2337.194893][   T72] dummy0: left promiscuous mode
[ 2337.195235][   T72] br0: port 1(dummy0) entered disabled state