[ 2322.899671][ T2695] br0: port 1(dummy0) entered blocking state
[ 2322.899993][ T2695] br0: port 1(dummy0) entered disabled state
[ 2322.900278][ T2695] dummy0: entered allmulticast mode
[ 2322.901415][ T2695] dummy0: entered promiscuous mode
[ 2322.934237][ T2696] br0: port 1(dummy0) entered blocking state
[ 2322.934786][ T2696] br0: port 1(dummy0) entered forwarding state
[ 2325.394689][   T12] dummy0: left allmulticast mode
[ 2325.395437][   T12] dummy0: left promiscuous mode
[ 2325.395969][   T12] br0: port 1(dummy0) entered disabled state