[ 2371.468198][T15862] br0: port 1(dummy0) entered blocking state
[ 2371.468517][T15862] br0: port 1(dummy0) entered disabled state
[ 2371.468802][T15862] dummy0: entered allmulticast mode
[ 2371.469865][T15862] dummy0: entered promiscuous mode
[ 2371.502420][T15863] br0: port 1(dummy0) entered blocking state
[ 2371.503098][T15863] br0: port 1(dummy0) entered forwarding state
[ 2374.007584][   T71] dummy0: left allmulticast mode
[ 2374.008770][   T71] dummy0: left promiscuous mode
[ 2374.009229][   T71] br0: port 1(dummy0) entered disabled state