[ 1859.050866] br0: port 1(dummy0) entered blocking state
[ 1859.050943] br0: port 1(dummy0) entered disabled state
[ 1859.051012] dummy0: entered allmulticast mode
[ 1859.051100] dummy0: entered promiscuous mode
[ 1859.054583] br0: port 1(dummy0) entered blocking state
[ 1859.054623] br0: port 1(dummy0) entered forwarding state
[ 1859.303097] dummy0: left allmulticast mode
[ 1859.303138] dummy0: left promiscuous mode
[ 1859.303170] br0: port 1(dummy0) entered disabled state