[ 2084.538190] br0: port 1(dummy0) entered blocking state
[ 2084.538246] br0: port 1(dummy0) entered disabled state
[ 2084.538280] dummy0: entered allmulticast mode
[ 2084.538337] dummy0: entered promiscuous mode
[ 2084.541891] br0: port 1(dummy0) entered blocking state
[ 2084.541924] br0: port 1(dummy0) entered forwarding state
[ 2084.791437] dummy0: left allmulticast mode
[ 2084.791474] dummy0: left promiscuous mode
[ 2084.791503] br0: port 1(dummy0) entered disabled state