[ 2298.776345][T11477] br0: port 1(dummy0) entered blocking state
[ 2298.776662][T11477] br0: port 1(dummy0) entered disabled state
[ 2298.776952][T11477] dummy0: entered allmulticast mode
[ 2298.777935][T11477] dummy0: entered promiscuous mode
[ 2298.813687][T11478] br0: port 1(dummy0) entered blocking state
[ 2298.814196][T11478] br0: port 1(dummy0) entered forwarding state
[ 2301.209477][   T69] dummy0: left allmulticast mode
[ 2301.209803][   T69] dummy0: left promiscuous mode
[ 2301.210167][   T69] br0: port 1(dummy0) entered disabled state