[ 1765.912901] br0: port 1(dummy0) entered blocking state
[ 1765.912928] br0: port 1(dummy0) entered disabled state
[ 1765.912949] dummy0: entered allmulticast mode
[ 1765.912986] dummy0: entered promiscuous mode
[ 1765.916492] br0: port 1(dummy0) entered blocking state
[ 1765.916539] br0: port 1(dummy0) entered forwarding state
[ 1766.180242] dummy0: left allmulticast mode
[ 1766.180320] dummy0: left promiscuous mode
[ 1766.180370] br0: port 1(dummy0) entered disabled state