[ 2264.844277][ T8318] br0: port 1(dummy0) entered blocking state
[ 2264.844472][ T8318] br0: port 1(dummy0) entered disabled state
[ 2264.844635][ T8318] dummy0: entered allmulticast mode
[ 2264.845507][ T8318] dummy0: entered promiscuous mode
[ 2264.870716][ T8319] br0: port 1(dummy0) entered blocking state
[ 2264.871241][ T8319] br0: port 1(dummy0) entered forwarding state
[ 2267.116467][   T12] dummy0: left allmulticast mode
[ 2267.117251][   T12] dummy0: left promiscuous mode
[ 2267.117548][   T12] br0: port 1(dummy0) entered disabled state