[ 2128.825416][T23129] br0: port 1(dummy0) entered blocking state
[ 2128.825711][T23129] br0: port 1(dummy0) entered disabled state
[ 2128.825983][T23129] dummy0: entered allmulticast mode
[ 2128.827383][T23129] dummy0: entered promiscuous mode
[ 2128.858971][T23130] br0: port 1(dummy0) entered blocking state
[ 2128.859875][T23130] br0: port 1(dummy0) entered forwarding state
[ 2131.293985][   T12] dummy0: left allmulticast mode
[ 2131.294514][   T12] dummy0: left promiscuous mode
[ 2131.294829][   T12] br0: port 1(dummy0) entered disabled state