[ 2264.580745][T13643] br0: port 1(dummy0) entered blocking state
[ 2264.580984][T13643] br0: port 1(dummy0) entered disabled state
[ 2264.581183][T13643] dummy0: entered allmulticast mode
[ 2264.582402][T13643] dummy0: entered promiscuous mode
[ 2264.614867][T13644] br0: port 1(dummy0) entered blocking state
[ 2264.615129][T13644] br0: port 1(dummy0) entered forwarding state
[ 2266.618076][   T69] dummy0: left allmulticast mode
[ 2266.618781][   T69] dummy0: left promiscuous mode
[ 2266.619013][   T69] br0: port 1(dummy0) entered disabled state