[ 2100.679201][T26655] br0: port 1(dummy0) entered blocking state
[ 2100.679389][T26655] br0: port 1(dummy0) entered disabled state
[ 2100.679556][T26655] dummy0: entered allmulticast mode
[ 2100.680394][T26655] dummy0: entered promiscuous mode
[ 2100.708349][T26656] br0: port 1(dummy0) entered blocking state
[ 2100.709026][T26656] br0: port 1(dummy0) entered forwarding state
[ 2102.979187][   T12] dummy0: left allmulticast mode
[ 2102.979432][   T12] dummy0: left promiscuous mode
[ 2102.979780][   T12] br0: port 1(dummy0) entered disabled state