[ 2443.161292][T27318] br0: port 1(dummy0) entered blocking state
[ 2443.161644][T27318] br0: port 1(dummy0) entered disabled state
[ 2443.161968][T27318] dummy0: entered allmulticast mode
[ 2443.163062][T27318] dummy0: entered promiscuous mode
[ 2443.190425][T27319] br0: port 1(dummy0) entered blocking state
[ 2443.190791][T27319] br0: port 1(dummy0) entered forwarding state
[ 2445.697385][   T12] dummy0: left allmulticast mode
[ 2445.698329][   T12] dummy0: left promiscuous mode
[ 2445.698774][   T12] br0: port 1(dummy0) entered disabled state