[ 1864.965888] br0: port 1(dummy0) entered blocking state
[ 1864.965928] br0: port 1(dummy0) entered disabled state
[ 1864.965959] dummy0: entered allmulticast mode
[ 1864.966010] dummy0: entered promiscuous mode
[ 1864.969428] br0: port 1(dummy0) entered blocking state
[ 1864.969457] br0: port 1(dummy0) entered forwarding state
[ 1865.212299] dummy0: left allmulticast mode
[ 1865.212335] dummy0: left promiscuous mode
[ 1865.212363] br0: port 1(dummy0) entered disabled state