[ 2236.255672][ T8735] br0: port 1(dummy0) entered blocking state
[ 2236.255981][ T8735] br0: port 1(dummy0) entered disabled state
[ 2236.256251][ T8735] dummy0: entered allmulticast mode
[ 2236.257376][ T8735] dummy0: entered promiscuous mode
[ 2236.289229][ T8736] br0: port 1(dummy0) entered blocking state
[ 2236.289878][ T8736] br0: port 1(dummy0) entered forwarding state
[ 2238.748500][   T70] dummy0: left allmulticast mode
[ 2238.749114][   T70] dummy0: left promiscuous mode
[ 2238.749431][   T70] br0: port 1(dummy0) entered disabled state