[ 2125.237083][T28223] br0: port 1(dummy0) entered blocking state
[ 2125.237270][T28223] br0: port 1(dummy0) entered disabled state
[ 2125.237431][T28223] dummy0: entered allmulticast mode
[ 2125.238723][T28223] dummy0: entered promiscuous mode
[ 2125.261915][T28224] br0: port 1(dummy0) entered blocking state
[ 2125.262134][T28224] br0: port 1(dummy0) entered forwarding state
[ 2127.272922][   T12] dummy0: left allmulticast mode
[ 2127.273815][   T12] dummy0: left promiscuous mode
[ 2127.274228][   T12] br0: port 1(dummy0) entered disabled state