[ 2043.257997][T12276] br0: port 1(dummy0) entered blocking state
[ 2043.258225][T12276] br0: port 1(dummy0) entered disabled state
[ 2043.258442][T12276] dummy0: entered allmulticast mode
[ 2043.259376][T12276] dummy0: entered promiscuous mode
[ 2043.282157][T12277] br0: port 1(dummy0) entered blocking state
[ 2043.282332][T12277] br0: port 1(dummy0) entered forwarding state
[ 2045.308757][   T71] dummy0: left allmulticast mode
[ 2045.308928][   T71] dummy0: left promiscuous mode
[ 2045.309161][   T71] br0: port 1(dummy0) entered disabled state