[ 2369.032626][T26773] br0: port 1(dummy0) entered blocking state
[ 2369.032815][T26773] br0: port 1(dummy0) entered disabled state
[ 2369.032975][T26773] dummy0: entered allmulticast mode
[ 2369.034333][T26773] dummy0: entered promiscuous mode
[ 2369.062557][T26774] br0: port 1(dummy0) entered blocking state
[ 2369.062881][T26774] br0: port 1(dummy0) entered forwarding state
[ 2371.361378][   T12] dummy0: left allmulticast mode
[ 2371.362565][   T12] dummy0: left promiscuous mode
[ 2371.362878][   T12] br0: port 1(dummy0) entered disabled state