[ 2134.852677][T19269] br0: port 1(dummy0) entered blocking state
[ 2134.852887][T19269] br0: port 1(dummy0) entered disabled state
[ 2134.853065][T19269] dummy0: entered allmulticast mode
[ 2134.854082][T19269] dummy0: entered promiscuous mode
[ 2134.874215][T19270] br0: port 1(dummy0) entered blocking state
[ 2134.874527][T19270] br0: port 1(dummy0) entered forwarding state
[ 2136.942052][   T71] dummy0: left allmulticast mode
[ 2136.942425][   T71] dummy0: left promiscuous mode
[ 2136.942699][   T71] br0: port 1(dummy0) entered disabled state