[ 2027.282938] br0: port 1(dummy0) entered blocking state
[ 2027.282984] br0: port 1(dummy0) entered disabled state
[ 2027.283022] dummy0: entered allmulticast mode
[ 2027.283076] dummy0: entered promiscuous mode
[ 2027.286573] br0: port 1(dummy0) entered blocking state
[ 2027.286633] br0: port 1(dummy0) entered forwarding state
[ 2027.526043] dummy0: left allmulticast mode
[ 2027.526075] dummy0: left promiscuous mode
[ 2027.526105] br0: port 1(dummy0) entered disabled state