[ 2278.688940][T16246] br0: port 1(dummy0) entered blocking state
[ 2278.689177][T16246] br0: port 1(dummy0) entered disabled state
[ 2278.689424][T16246] dummy0: entered allmulticast mode
[ 2278.690391][T16246] dummy0: entered promiscuous mode
[ 2278.715412][T16247] br0: port 1(dummy0) entered blocking state
[ 2278.715595][T16247] br0: port 1(dummy0) entered forwarding state
[ 2281.116269][   T12] dummy0: left allmulticast mode
[ 2281.116894][   T12] dummy0: left promiscuous mode
[ 2281.117132][   T12] br0: port 1(dummy0) entered disabled state