[ 1732.388967] br0: port 1(dummy0) entered blocking state
[ 1732.389032] br0: port 1(dummy0) entered disabled state
[ 1732.389101] dummy0: entered allmulticast mode
[ 1732.389183] dummy0: entered promiscuous mode
[ 1732.391658] br0: port 1(dummy0) entered blocking state
[ 1732.391690] br0: port 1(dummy0) entered forwarding state
[ 1732.567069] dummy0: left allmulticast mode
[ 1732.567128] dummy0: left promiscuous mode
[ 1732.567188] br0: port 1(dummy0) entered disabled state