[ 2208.958454][ T4088] br0: port 1(dummy0) entered blocking state
[ 2208.958644][ T4088] br0: port 1(dummy0) entered disabled state
[ 2208.958803][ T4088] dummy0: entered allmulticast mode
[ 2208.960358][ T4088] dummy0: entered promiscuous mode
[ 2208.991412][ T4089] br0: port 1(dummy0) entered blocking state
[ 2208.991655][ T4089] br0: port 1(dummy0) entered forwarding state
[ 2210.907824][   T12] dummy0: left allmulticast mode
[ 2210.908745][   T12] dummy0: left promiscuous mode
[ 2210.909104][   T12] br0: port 1(dummy0) entered disabled state