[ 2119.177883][T10978] br0: port 1(dummy0) entered blocking state
[ 2119.178084][T10978] br0: port 1(dummy0) entered disabled state
[ 2119.178268][T10978] dummy0: entered allmulticast mode
[ 2119.179165][T10978] dummy0: entered promiscuous mode
[ 2119.208214][T10979] br0: port 1(dummy0) entered blocking state
[ 2119.208509][T10979] br0: port 1(dummy0) entered forwarding state
[ 2121.116988][   T71] dummy0: left allmulticast mode
[ 2121.119103][   T71] dummy0: left promiscuous mode
[ 2121.119332][   T71] br0: port 1(dummy0) entered disabled state