[ 1705.861532] br0: port 1(dummy0) entered blocking state
[ 1705.861576] br0: port 1(dummy0) entered disabled state
[ 1705.861610] dummy0: entered allmulticast mode
[ 1705.861660] dummy0: entered promiscuous mode
[ 1705.864202] br0: port 1(dummy0) entered blocking state
[ 1705.864263] br0: port 1(dummy0) entered forwarding state
[ 1706.042253] dummy0: left allmulticast mode
[ 1706.042337] dummy0: left promiscuous mode
[ 1706.042396] br0: port 1(dummy0) entered disabled state