[ 2073.094659] br0: port 1(dummy0) entered blocking state
[ 2073.094745] br0: port 1(dummy0) entered disabled state
[ 2073.094821] dummy0: entered allmulticast mode
[ 2073.094910] dummy0: entered promiscuous mode
[ 2073.098567] br0: port 1(dummy0) entered blocking state
[ 2073.098621] br0: port 1(dummy0) entered forwarding state
[ 2073.358859] dummy0: left allmulticast mode
[ 2073.358902] dummy0: left promiscuous mode
[ 2073.358963] br0: port 1(dummy0) entered disabled state