[ 1790.124327] br0: port 1(dummy0) entered blocking state
[ 1790.124369] br0: port 1(dummy0) entered disabled state
[ 1790.124407] dummy0: entered allmulticast mode
[ 1790.124471] dummy0: entered promiscuous mode
[ 1790.128228] br0: port 1(dummy0) entered blocking state
[ 1790.128261] br0: port 1(dummy0) entered forwarding state
[ 1790.398027] dummy0: left allmulticast mode
[ 1790.398075] dummy0: left promiscuous mode
[ 1790.398103] br0: port 1(dummy0) entered disabled state