[ 1732.351470] br0: port 1(dummy0) entered blocking state
[ 1732.351507] br0: port 1(dummy0) entered disabled state
[ 1732.351545] dummy0: entered allmulticast mode
[ 1732.351598] dummy0: entered promiscuous mode
[ 1732.354398] br0: port 1(dummy0) entered blocking state
[ 1732.354462] br0: port 1(dummy0) entered forwarding state
[ 1732.546455] dummy0: left allmulticast mode
[ 1732.546488] dummy0: left promiscuous mode
[ 1732.546521] br0: port 1(dummy0) entered disabled state