[ 2145.895668][ T5357] br0: port 1(dummy0) entered blocking state
[ 2145.895964][ T5357] br0: port 1(dummy0) entered disabled state
[ 2145.896228][ T5357] dummy0: entered allmulticast mode
[ 2145.897741][ T5357] dummy0: entered promiscuous mode
[ 2145.929122][ T5358] br0: port 1(dummy0) entered blocking state
[ 2145.929725][ T5358] br0: port 1(dummy0) entered forwarding state
[ 2148.434261][   T12] dummy0: left allmulticast mode
[ 2148.434726][   T12] dummy0: left promiscuous mode
[ 2148.435047][   T12] br0: port 1(dummy0) entered disabled state