[ 2273.056888][T30663] br0: port 1(dummy0) entered blocking state
[ 2273.057077][T30663] br0: port 1(dummy0) entered disabled state
[ 2273.057242][T30663] dummy0: entered allmulticast mode
[ 2273.058357][T30663] dummy0: entered promiscuous mode
[ 2273.088178][T30664] br0: port 1(dummy0) entered blocking state
[ 2273.088396][T30664] br0: port 1(dummy0) entered forwarding state
[ 2275.472346][   T68] dummy0: left allmulticast mode
[ 2275.473093][   T68] dummy0: left promiscuous mode
[ 2275.473403][   T68] br0: port 1(dummy0) entered disabled state