[ 2235.466414][T14071] br0: port 1(dummy0) entered blocking state
[ 2235.466653][T14071] br0: port 1(dummy0) entered disabled state
[ 2235.466883][T14071] dummy0: entered allmulticast mode
[ 2235.468662][T14071] dummy0: entered promiscuous mode
[ 2235.502068][T14072] br0: port 1(dummy0) entered blocking state
[ 2235.502761][T14072] br0: port 1(dummy0) entered forwarding state
[ 2237.930971][   T67] dummy0: left allmulticast mode
[ 2237.931867][   T67] dummy0: left promiscuous mode
[ 2237.932107][   T67] br0: port 1(dummy0) entered disabled state