[ 2257.832490][T10960] br0: port 1(dummy0) entered blocking state
[ 2257.832820][T10960] br0: port 1(dummy0) entered disabled state
[ 2257.833101][T10960] dummy0: entered allmulticast mode
[ 2257.834212][T10960] dummy0: entered promiscuous mode
[ 2257.861452][T10961] br0: port 1(dummy0) entered blocking state
[ 2257.862075][T10961] br0: port 1(dummy0) entered forwarding state
[ 2260.296548][   T72] dummy0: left allmulticast mode
[ 2260.298327][   T72] dummy0: left promiscuous mode
[ 2260.298897][   T72] br0: port 1(dummy0) entered disabled state