[ 1705.781834] br0: port 1(dummy0) entered blocking state
[ 1705.781906] br0: port 1(dummy0) entered disabled state
[ 1705.781977] dummy0: entered allmulticast mode
[ 1705.782064] dummy0: entered promiscuous mode
[ 1705.785386] br0: port 1(dummy0) entered blocking state
[ 1705.785421] br0: port 1(dummy0) entered forwarding state
[ 1706.036978] dummy0: left allmulticast mode
[ 1706.037054] dummy0: left promiscuous mode
[ 1706.037119] br0: port 1(dummy0) entered disabled state