[ 1697.033521] br0: port 1(dummy0) entered blocking state
[ 1697.033565] br0: port 1(dummy0) entered disabled state
[ 1697.033596] dummy0: entered allmulticast mode
[ 1697.033654] dummy0: entered promiscuous mode
[ 1697.036066] br0: port 1(dummy0) entered blocking state
[ 1697.036108] br0: port 1(dummy0) entered forwarding state
[ 1697.214317] dummy0: left allmulticast mode
[ 1697.214354] dummy0: left promiscuous mode
[ 1697.214418] br0: port 1(dummy0) entered disabled state