[ 2246.200477][ T7406] br0: port 1(dummy0) entered blocking state
[ 2246.201085][ T7406] br0: port 1(dummy0) entered disabled state
[ 2246.201692][ T7406] dummy0: entered allmulticast mode
[ 2246.203173][ T7406] dummy0: entered promiscuous mode
[ 2246.267772][ T7407] br0: port 1(dummy0) entered blocking state
[ 2246.268375][ T7407] br0: port 1(dummy0) entered forwarding state
[ 2249.675406][   T69] dummy0: left allmulticast mode
[ 2249.676554][   T69] dummy0: left promiscuous mode
[ 2249.677217][   T69] br0: port 1(dummy0) entered disabled state