[ 1650.585821] br0: port 1(dummy0) entered blocking state
[ 1650.585908] br0: port 1(dummy0) entered disabled state
[ 1650.585974] dummy0: entered allmulticast mode
[ 1650.586066] dummy0: entered promiscuous mode
[ 1650.588661] br0: port 1(dummy0) entered blocking state
[ 1650.588695] br0: port 1(dummy0) entered forwarding state
[ 1650.771153] dummy0: left allmulticast mode
[ 1650.771228] dummy0: left promiscuous mode
[ 1650.771292] br0: port 1(dummy0) entered disabled state