[ 1888.009738][T22128] br0: port 1(dummy0) entered blocking state
[ 1888.009965][T22128] br0: port 1(dummy0) entered disabled state
[ 1888.010175][T22128] dummy0: entered allmulticast mode
[ 1888.011107][T22128] dummy0: entered promiscuous mode
[ 1888.042295][T22129] br0: port 1(dummy0) entered blocking state
[ 1888.042960][T22129] br0: port 1(dummy0) entered forwarding state
[ 1889.942561][   T67] dummy0: left allmulticast mode
[ 1889.943558][   T67] dummy0: left promiscuous mode
[ 1889.943807][   T67] br0: port 1(dummy0) entered disabled state