[ 1725.788055] br0: port 1(dummy0) entered blocking state
[ 1725.788090] br0: port 1(dummy0) entered disabled state
[ 1725.788128] dummy0: entered allmulticast mode
[ 1725.788182] dummy0: entered promiscuous mode
[ 1725.791795] br0: port 1(dummy0) entered blocking state
[ 1725.791859] br0: port 1(dummy0) entered forwarding state
[ 1726.043759] dummy0: left allmulticast mode
[ 1726.043825] dummy0: left promiscuous mode
[ 1726.043913] br0: port 1(dummy0) entered disabled state