[ 1911.141052][ T3112] br0: port 1(dummy0) entered blocking state
[ 1911.141299][ T3112] br0: port 1(dummy0) entered disabled state
[ 1911.141526][ T3112] dummy0: entered allmulticast mode
[ 1911.143122][ T3112] dummy0: entered promiscuous mode
[ 1911.172431][ T3113] br0: port 1(dummy0) entered blocking state
[ 1911.172754][ T3113] br0: port 1(dummy0) entered forwarding state
[ 1912.916441][   T12] dummy0: left allmulticast mode
[ 1912.916736][   T12] dummy0: left promiscuous mode
[ 1912.916969][   T12] br0: port 1(dummy0) entered disabled state