[ 2319.142711][T28731] br0: port 1(dummy0) entered blocking state
[ 2319.143061][T28731] br0: port 1(dummy0) entered disabled state
[ 2319.143372][T28731] dummy0: entered allmulticast mode
[ 2319.144408][T28731] dummy0: entered promiscuous mode
[ 2319.181911][T28732] br0: port 1(dummy0) entered blocking state
[ 2319.182198][T28732] br0: port 1(dummy0) entered forwarding state
[ 2321.608690][   T69] dummy0: left allmulticast mode
[ 2321.609037][   T69] dummy0: left promiscuous mode
[ 2321.609339][   T69] br0: port 1(dummy0) entered disabled state