[ 2139.638934][T26919] br0: port 1(dummy0) entered blocking state
[ 2139.639125][T26919] br0: port 1(dummy0) entered disabled state
[ 2139.639294][T26919] dummy0: entered allmulticast mode
[ 2139.640164][T26919] dummy0: entered promiscuous mode
[ 2139.672105][T26920] br0: port 1(dummy0) entered blocking state
[ 2139.672641][T26920] br0: port 1(dummy0) entered forwarding state
[ 2141.682207][   T71] dummy0: left allmulticast mode
[ 2141.682872][   T71] dummy0: left promiscuous mode
[ 2141.683111][   T71] br0: port 1(dummy0) entered disabled state