[ 1693.928050] br0: port 1(dummy0) entered blocking state
[ 1693.928091] br0: port 1(dummy0) entered disabled state
[ 1693.928123] dummy0: entered allmulticast mode
[ 1693.928168] dummy0: entered promiscuous mode
[ 1693.930897] br0: port 1(dummy0) entered blocking state
[ 1693.930932] br0: port 1(dummy0) entered forwarding state
[ 1694.110622] dummy0: left allmulticast mode
[ 1694.110686] dummy0: left promiscuous mode
[ 1694.110753] br0: port 1(dummy0) entered disabled state