[ 2273.200872][T20226] br0: port 1(dummy0) entered blocking state
[ 2273.201217][T20226] br0: port 1(dummy0) entered disabled state
[ 2273.201525][T20226] dummy0: entered allmulticast mode
[ 2273.202608][T20226] dummy0: entered promiscuous mode
[ 2273.242261][T20227] br0: port 1(dummy0) entered blocking state
[ 2273.243194][T20227] br0: port 1(dummy0) entered forwarding state
[ 2275.867468][   T71] dummy0: left allmulticast mode
[ 2275.867774][   T71] dummy0: left promiscuous mode
[ 2275.868140][   T71] br0: port 1(dummy0) entered disabled state