[ 2125.729136][T13039] br0: port 1(dummy0) entered blocking state
[ 2125.729360][T13039] br0: port 1(dummy0) entered disabled state
[ 2125.729577][T13039] dummy0: entered allmulticast mode
[ 2125.731940][T13039] dummy0: entered promiscuous mode
[ 2125.764971][T13040] br0: port 1(dummy0) entered blocking state
[ 2125.765294][T13040] br0: port 1(dummy0) entered forwarding state
[ 2128.132778][   T12] dummy0: left allmulticast mode
[ 2128.133695][   T12] dummy0: left promiscuous mode
[ 2128.134003][   T12] br0: port 1(dummy0) entered disabled state