[ 1796.057905] br0: port 1(dummy0) entered blocking state
[ 1796.057975] br0: port 1(dummy0) entered disabled state
[ 1796.058048] dummy0: entered allmulticast mode
[ 1796.058130] dummy0: entered promiscuous mode
[ 1796.060961] br0: port 1(dummy0) entered blocking state
[ 1796.061028] br0: port 1(dummy0) entered forwarding state
[ 1796.257326] dummy0: left allmulticast mode
[ 1796.257364] dummy0: left promiscuous mode
[ 1796.257422] br0: port 1(dummy0) entered disabled state