[ 2120.895555][T22874] br0: port 1(dummy0) entered blocking state
[ 2120.895856][T22874] br0: port 1(dummy0) entered disabled state
[ 2120.896132][T22874] dummy0: entered allmulticast mode
[ 2120.897240][T22874] dummy0: entered promiscuous mode
[ 2120.931699][T22875] br0: port 1(dummy0) entered blocking state
[ 2120.932099][T22875] br0: port 1(dummy0) entered forwarding state
[ 2123.406055][   T69] dummy0: left allmulticast mode
[ 2123.407300][   T69] dummy0: left promiscuous mode
[ 2123.407623][   T69] br0: port 1(dummy0) entered disabled state