[ 1788.000025] br0: port 1(dummy0) entered blocking state
[ 1788.000107] br0: port 1(dummy0) entered disabled state
[ 1788.000204] dummy0: entered allmulticast mode
[ 1788.000305] dummy0: entered promiscuous mode
[ 1788.003629] br0: port 1(dummy0) entered blocking state
[ 1788.003675] br0: port 1(dummy0) entered forwarding state
[ 1788.240853] dummy0: left allmulticast mode
[ 1788.240897] dummy0: left promiscuous mode
[ 1788.240930] br0: port 1(dummy0) entered disabled state