[ 1659.742111] br0: port 1(dummy0) entered blocking state
[ 1659.742156] br0: port 1(dummy0) entered disabled state
[ 1659.742185] dummy0: entered allmulticast mode
[ 1659.742233] dummy0: entered promiscuous mode
[ 1659.745056] br0: port 1(dummy0) entered blocking state
[ 1659.745119] br0: port 1(dummy0) entered forwarding state
[ 1659.957327] dummy0: left allmulticast mode
[ 1659.957367] dummy0: left promiscuous mode
[ 1659.957395] br0: port 1(dummy0) entered disabled state