[ 1726.422901] br0: port 1(dummy0) entered blocking state
[ 1726.422980] br0: port 1(dummy0) entered disabled state
[ 1726.423052] dummy0: entered allmulticast mode
[ 1726.423138] dummy0: entered promiscuous mode
[ 1726.426571] br0: port 1(dummy0) entered blocking state
[ 1726.426609] br0: port 1(dummy0) entered forwarding state
[ 1726.656732] dummy0: left allmulticast mode
[ 1726.656802] dummy0: left promiscuous mode
[ 1726.656867] br0: port 1(dummy0) entered disabled state