[ 2164.426012][T14861] br0: port 1(dummy0) entered blocking state
[ 2164.426200][T14861] br0: port 1(dummy0) entered disabled state
[ 2164.426362][T14861] dummy0: entered allmulticast mode
[ 2164.427244][T14861] dummy0: entered promiscuous mode
[ 2164.453212][T14862] br0: port 1(dummy0) entered blocking state
[ 2164.453396][T14862] br0: port 1(dummy0) entered forwarding state
[ 2166.707774][   T67] dummy0: left allmulticast mode
[ 2166.707965][   T67] dummy0: left promiscuous mode
[ 2166.708196][   T67] br0: port 1(dummy0) entered disabled state