[ 1766.625124] br0: port 1(dummy0) entered blocking state
[ 1766.625173] br0: port 1(dummy0) entered disabled state
[ 1766.625201] dummy0: entered allmulticast mode
[ 1766.625254] dummy0: entered promiscuous mode
[ 1766.628030] br0: port 1(dummy0) entered blocking state
[ 1766.628060] br0: port 1(dummy0) entered forwarding state
[ 1766.823268] dummy0: left allmulticast mode
[ 1766.823311] dummy0: left promiscuous mode
[ 1766.823341] br0: port 1(dummy0) entered disabled state