[ 2097.273721][T12770] br0: port 1(dummy0) entered blocking state
[ 2097.273912][T12770] br0: port 1(dummy0) entered disabled state
[ 2097.274076][T12770] dummy0: entered allmulticast mode
[ 2097.274955][T12770] dummy0: entered promiscuous mode
[ 2097.300556][T12771] br0: port 1(dummy0) entered blocking state
[ 2097.300736][T12771] br0: port 1(dummy0) entered forwarding state
[ 2099.691176][   T69] dummy0: left allmulticast mode
[ 2099.691450][   T69] dummy0: left promiscuous mode
[ 2099.691688][   T69] br0: port 1(dummy0) entered disabled state