[ 2239.342576][T28793] br0: port 1(dummy0) entered blocking state
[ 2239.342877][T28793] br0: port 1(dummy0) entered disabled state
[ 2239.343152][T28793] dummy0: entered allmulticast mode
[ 2239.344586][T28793] dummy0: entered promiscuous mode
[ 2239.378722][T28794] br0: port 1(dummy0) entered blocking state
[ 2239.379192][T28794] br0: port 1(dummy0) entered forwarding state
[ 2241.747235][   T69] dummy0: left allmulticast mode
[ 2241.747918][   T69] dummy0: left promiscuous mode
[ 2241.748249][   T69] br0: port 1(dummy0) entered disabled state