[ 2358.235896][T28056] br0: port 1(dummy0) entered blocking state
[ 2358.236196][T28056] br0: port 1(dummy0) entered disabled state
[ 2358.236481][T28056] dummy0: entered allmulticast mode
[ 2358.237482][T28056] dummy0: entered promiscuous mode
[ 2358.267329][T28057] br0: port 1(dummy0) entered blocking state
[ 2358.267662][T28057] br0: port 1(dummy0) entered forwarding state
[ 2360.642298][   T12] dummy0: left allmulticast mode
[ 2360.642633][   T12] dummy0: left promiscuous mode
[ 2360.643018][   T12] br0: port 1(dummy0) entered disabled state