[ 1765.367898] br0: port 1(dummy0) entered blocking state
[ 1765.367973] br0: port 1(dummy0) entered disabled state
[ 1765.368042] dummy0: entered allmulticast mode
[ 1765.368125] dummy0: entered promiscuous mode
[ 1765.370908] br0: port 1(dummy0) entered blocking state
[ 1765.370946] br0: port 1(dummy0) entered forwarding state
[ 1765.566331] dummy0: left allmulticast mode
[ 1765.566391] dummy0: left promiscuous mode
[ 1765.566450] br0: port 1(dummy0) entered disabled state