[ 1945.766880][ T9332] br0: port 1(dummy0) entered blocking state
[ 1945.767094][ T9332] br0: port 1(dummy0) entered disabled state
[ 1945.767275][ T9332] dummy0: entered allmulticast mode
[ 1945.768602][ T9332] dummy0: entered promiscuous mode
[ 1945.807536][ T9333] br0: port 1(dummy0) entered blocking state
[ 1945.807843][ T9333] br0: port 1(dummy0) entered forwarding state
[ 1947.657097][T31667] dummy0: left allmulticast mode
[ 1947.657416][T31667] dummy0: left promiscuous mode
[ 1947.658150][T31667] br0: port 1(dummy0) entered disabled state