[ 1965.391843][T22425] br0: port 1(dummy0) entered blocking state
[ 1965.392037][T22425] br0: port 1(dummy0) entered disabled state
[ 1965.392193][T22425] dummy0: entered allmulticast mode
[ 1965.393061][T22425] dummy0: entered promiscuous mode
[ 1965.416076][T22426] br0: port 1(dummy0) entered blocking state
[ 1965.416287][T22426] br0: port 1(dummy0) entered forwarding state
[ 1967.440047][   T12] dummy0: left allmulticast mode
[ 1967.440224][   T12] dummy0: left promiscuous mode
[ 1967.440452][   T12] br0: port 1(dummy0) entered disabled state