[ 1697.537455] br0: port 1(dummy0) entered blocking state
[ 1697.537531] br0: port 1(dummy0) entered disabled state
[ 1697.537609] dummy0: entered allmulticast mode
[ 1697.537697] dummy0: entered promiscuous mode
[ 1697.540635] br0: port 1(dummy0) entered blocking state
[ 1697.540670] br0: port 1(dummy0) entered forwarding state
[ 1697.734756] dummy0: left allmulticast mode
[ 1697.734783] dummy0: left promiscuous mode
[ 1697.734813] br0: port 1(dummy0) entered disabled state